{
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  "limit": 50,
  "offset": 0,
  "records": [
    {
      "fields": {
        "action": "press",
        "category": "kitchen",
        "measure": "force-N",
        "notes": "shell fracture force (MIT/Nature study)",
        "range": "40-52 N",
        "task": "Crack an egg",
        "url": "https://www.nature.com/articles/s42005-025-02087-0",
        "value": 45
      },
      "id": "task:crack-an-egg-force-n",
      "name": "Crack an egg",
      "notes": {},
      "provenance": {
        "consent_license": "public",
        "first_seen": "2026-08-14",
        "last_seen": "2026-08-14",
        "method": "import",
        "source_hosts": [
          "nature.com"
        ],
        "source_urls": [
          "https://www.nature.com/articles/s42005-025-02087-0"
        ]
      },
      "quality": {
        "age_days": 35,
        "completeness": 1,
        "confidence": "high",
        "corroborated": false,
        "flags": [
          "single-source"
        ],
        "grade": "B",
        "hosts": 1,
        "independent_hosts": 1,
        "sources": 1,
        "stale": false,
        "stale_after_days": 180
      },
      "type": "task",
      "url": "https://www.nature.com/articles/s42005-025-02087-0"
    },
    {
      "fields": {
        "action": "cut",
        "category": "kitchen",
        "measure": "force-N",
        "notes": "downward cutting force",
        "range": "79-285 N (varies by vegetable and blade)",
        "task": "Cut vegetables with a knife",
        "url": "https://iseki-food-ejournal.com/article/69",
        "value": 120
      },
      "id": "task:cut-vegetables-with-a-knife-force-n",
      "name": "Cut vegetables with a knife",
      "notes": {},
      "provenance": {
        "consent_license": "public",
        "first_seen": "2026-08-14",
        "last_seen": "2026-08-14",
        "method": "import",
        "source_hosts": [
          "iseki-food-ejournal.com"
        ],
        "source_urls": [
          "https://iseki-food-ejournal.com/article/69"
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      },
      "quality": {
        "age_days": 35,
        "completeness": 1,
        "confidence": "high",
        "corroborated": false,
        "flags": [
          "single-source"
        ],
        "grade": "B",
        "hosts": 1,
        "independent_hosts": 1,
        "sources": 1,
        "stale": false,
        "stale_after_days": 180
      },
      "type": "task",
      "url": "https://iseki-food-ejournal.com/article/69"
    },
    {
      "fields": {
        "action": "grip",
        "category": "kitchen",
        "measure": "force-N",
        "notes": "order-of-magnitude only; scissor mechanics papers give force-angle curves, not a single scalar",
        "range": "~5-196 N (general tool-grip class, task-dependent)",
        "task": "Cut with kitchen scissors",
        "url": "https://pmc.ncbi.nlm.nih.gov/articles/PMC2709828",
        "value": 20
      },
      "id": "task:cut-with-kitchen-scissors-force-n",
      "name": "Cut with kitchen scissors",
      "notes": {},
      "provenance": {
        "consent_license": "public",
        "first_seen": "2026-08-14",
        "last_seen": "2026-08-14",
        "method": "import",
        "source_hosts": [
          "pmc.ncbi.nlm.nih.gov"
        ],
        "source_urls": [
          "https://pmc.ncbi.nlm.nih.gov/articles/PMC2709828"
        ]
      },
      "quality": {
        "age_days": 35,
        "completeness": 1,
        "confidence": "low",
        "corroborated": false,
        "flags": [
          "single-source"
        ],
        "grade": "D",
        "hosts": 1,
        "independent_hosts": 1,
        "sources": 1,
        "stale": false,
        "stale_after_days": 180
      },
      "type": "task",
      "url": "https://pmc.ncbi.nlm.nih.gov/articles/PMC2709828"
    },
    {
      "fields": {
        "action": "press",
        "category": "door-hardware",
        "measure": "force-N",
        "notes": "within the typical wall snap/rocker switch operating band",
        "range": "1-6 N",
        "task": "Flip a rocker light switch",
        "url": "https://www.e-switch.com/news-events/blog/switches-simplified/what-are-actuation-or-operating-force",
        "value": 3
      },
      "id": "task:flip-a-rocker-light-switch-force-n",
      "name": "Flip a rocker light switch",
      "notes": {},
      "provenance": {
        "consent_license": "public",
        "first_seen": "2026-08-14",
        "last_seen": "2026-08-14",
        "method": "import",
        "source_hosts": [
          "e-switch.com"
        ],
        "source_urls": [
          "https://www.e-switch.com/news-events/blog/switches-simplified/what-are-actuation-or-operating-force"
        ]
      },
      "quality": {
        "age_days": 35,
        "completeness": 1,
        "confidence": "medium",
        "corroborated": false,
        "flags": [
          "single-source"
        ],
        "grade": "B",
        "hosts": 1,
        "independent_hosts": 1,
        "sources": 1,
        "stale": false,
        "stale_after_days": 180
      },
      "type": "task",
      "url": "https://www.e-switch.com/news-events/blog/switches-simplified/what-are-actuation-or-operating-force"
    },
    {
      "fields": {
        "action": "twist-torque",
        "category": "tool",
        "measure": "torque-Nm",
        "notes": "peer-reviewed maximum; casual much lower",
        "range": "4.69-5.9 Nm max voluntary; casual snug ~1-2 Nm",
        "task": "Hand-tighten a screw with a screwdriver",
        "url": "https://pubmed.ncbi.nlm.nih.gov/17654033",
        "value": 5
      },
      "id": "task:hand-tighten-a-screw-with-a-screwdriver-torque-nm",
      "name": "Hand-tighten a screw with a screwdriver",
      "notes": {},
      "provenance": {
        "consent_license": "public",
        "first_seen": "2026-08-14",
        "last_seen": "2026-08-14",
        "method": "import",
        "source_hosts": [
          "pubmed.ncbi.nlm.nih.gov"
        ],
        "source_urls": [
          "https://pubmed.ncbi.nlm.nih.gov/17654033"
        ]
      },
      "quality": {
        "age_days": 35,
        "completeness": 1,
        "confidence": "high",
        "corroborated": false,
        "flags": [
          "single-source"
        ],
        "grade": "B",
        "hosts": 1,
        "independent_hosts": 1,
        "sources": 1,
        "stale": false,
        "stale_after_days": 180
      },
      "type": "task",
      "url": "https://pubmed.ncbi.nlm.nih.gov/17654033"
    },
    {
      "fields": {
        "action": "insert",
        "category": "assembly",
        "measure": "force-N",
        "notes": "insertion similar order to withdrawal spec",
        "range": "10-50 N (IEC 60320 withdrawal bounds)",
        "task": "Insert a mains power plug",
        "url": "https://www.interpower.com/ic/designers/QualityTopics/60320-Withdrawal-Force.html",
        "value": 30
      },
      "id": "task:insert-a-mains-power-plug-force-n",
      "name": "Insert a mains power plug",
      "notes": {},
      "provenance": {
        "consent_license": "public",
        "first_seen": "2026-08-14",
        "last_seen": "2026-08-14",
        "method": "import",
        "source_hosts": [
          "interpower.com"
        ],
        "source_urls": [
          "https://www.interpower.com/ic/designers/QualityTopics/60320-Withdrawal-Force.html"
        ]
      },
      "quality": {
        "age_days": 35,
        "completeness": 1,
        "confidence": "medium",
        "corroborated": false,
        "flags": [
          "single-source"
        ],
        "grade": "B",
        "hosts": 1,
        "independent_hosts": 1,
        "sources": 1,
        "stale": false,
        "stale_after_days": 180
      },
      "type": "task",
      "url": "https://www.interpower.com/ic/designers/QualityTopics/60320-Withdrawal-Force.html"
    },
    {
      "fields": {
        "action": "insert",
        "category": "assembly",
        "measure": "force-N",
        "notes": "USB-IF Cables & Connectors spec MAX per EIA 364-13",
        "range": "<=35 N insertion; >=10 N extraction (USB spec)",
        "task": "Insert a USB-A plug",
        "url": "https://www.usb.org/sites/default/files/CabConn20.pdf",
        "value": 35
      },
      "id": "task:insert-a-usb-a-plug-force-n",
      "name": "Insert a USB-A plug",
      "notes": {},
      "provenance": {
        "consent_license": "public",
        "first_seen": "2026-08-14",
        "last_seen": "2026-08-14",
        "method": "import",
        "source_hosts": [
          "usb.org"
        ],
        "source_urls": [
          "https://www.usb.org/sites/default/files/CabConn20.pdf"
        ]
      },
      "quality": {
        "age_days": 35,
        "completeness": 1,
        "confidence": "high",
        "corroborated": false,
        "flags": [
          "single-source"
        ],
        "grade": "B",
        "hosts": 1,
        "independent_hosts": 1,
        "sources": 1,
        "stale": false,
        "stale_after_days": 180
      },
      "type": "task",
      "url": "https://www.usb.org/sites/default/files/CabConn20.pdf"
    },
    {
      "fields": {
        "action": "pinch",
        "category": "personal-care",
        "measure": "force-N",
        "notes": "Mathiowetz normative max pinch, an upper bound",
        "range": "70-110 N maximum",
        "task": "Lateral key pinch (max)",
        "url": "https://pubmed.ncbi.nlm.nih.gov/3970660",
        "value": 90
      },
      "id": "task:lateral-key-pinch-max-force-n",
      "name": "Lateral key pinch (max)",
      "notes": {},
      "provenance": {
        "consent_license": "public",
        "first_seen": "2026-08-14",
        "last_seen": "2026-08-14",
        "method": "import",
        "source_hosts": [
          "pubmed.ncbi.nlm.nih.gov"
        ],
        "source_urls": [
          "https://pubmed.ncbi.nlm.nih.gov/3970660"
        ]
      },
      "quality": {
        "age_days": 35,
        "completeness": 1,
        "confidence": "high",
        "corroborated": false,
        "flags": [
          "single-source"
        ],
        "grade": "B",
        "hosts": 1,
        "independent_hosts": 1,
        "sources": 1,
        "stale": false,
        "stale_after_days": 180
      },
      "type": "task",
      "url": "https://pubmed.ncbi.nlm.nih.gov/3970660"
    },
    {
      "fields": {
        "action": "twist-torque",
        "category": "container",
        "measure": "torque-Nm",
        "notes": "28 mm cap opening torque ~10-15 in-lb",
        "range": "0.8-1.7 Nm",
        "task": "Open a PET plastic bottle cap",
        "url": "https://www.ebottles.com/blogs/articles/application-and-removal-torque-guidelines",
        "value": 1
      },
      "id": "task:open-a-pet-plastic-bottle-cap-torque-nm",
      "name": "Open a PET plastic bottle cap",
      "notes": {},
      "provenance": {
        "consent_license": "public",
        "first_seen": "2026-08-14",
        "last_seen": "2026-08-14",
        "method": "import",
        "source_hosts": [
          "ebottles.com"
        ],
        "source_urls": [
          "https://www.ebottles.com/blogs/articles/application-and-removal-torque-guidelines"
        ]
      },
      "quality": {
        "age_days": 35,
        "completeness": 1,
        "confidence": "high",
        "corroborated": false,
        "flags": [
          "single-source"
        ],
        "grade": "B",
        "hosts": 1,
        "independent_hosts": 1,
        "sources": 1,
        "stale": false,
        "stale_after_days": 180
      },
      "type": "task",
      "url": "https://www.ebottles.com/blogs/articles/application-and-removal-torque-guidelines"
    },
    {
      "fields": {
        "action": "pull",
        "category": "appliance",
        "measure": "force-N",
        "notes": "consumer estimate, bounded above by the IEC 62552 70 N door-opening max",
        "range": "22-44 N typical; <=70 N IEC 62552 ceiling",
        "task": "Open a refrigerator door",
        "url": "https://cdn.standards.iteh.ai/samples/16488/8c0df94a4f7141a1873f9900df9da03f/IEC-62552-2007.pdf",
        "value": 33
      },
      "id": "task:open-a-refrigerator-door-force-n",
      "name": "Open a refrigerator door",
      "notes": {},
      "provenance": {
        "consent_license": "public",
        "first_seen": "2026-08-14",
        "last_seen": "2026-08-14",
        "method": "import",
        "source_hosts": [
          "cdn.standards.iteh.ai"
        ],
        "source_urls": [
          "https://cdn.standards.iteh.ai/samples/16488/8c0df94a4f7141a1873f9900df9da03f/IEC-62552-2007.pdf"
        ]
      },
      "quality": {
        "age_days": 35,
        "completeness": 1,
        "confidence": "medium",
        "corroborated": false,
        "flags": [
          "single-source"
        ],
        "grade": "B",
        "hosts": 1,
        "independent_hosts": 1,
        "sources": 1,
        "stale": false,
        "stale_after_days": 180
      },
      "type": "task",
      "url": "https://cdn.standards.iteh.ai/samples/16488/8c0df94a4f7141a1873f9900df9da03f/IEC-62552-2007.pdf"
    },
    {
      "fields": {
        "action": "twist-torque",
        "category": "container",
        "measure": "torque-Nm",
        "notes": "removal torque; elderly accessibility target 2.0 Nm opens for ~98% of ages 50-94",
        "range": "4.1-10.2 Nm typical; accessible-design target ~2.0 Nm",
        "task": "Open a screw-cap jar lid",
        "url": "https://www.sciencedirect.com/science/article/abs/pii/S0003687021000685",
        "value": 5
      },
      "id": "task:open-a-screw-cap-jar-lid-torque-nm",
      "name": "Open a screw-cap jar lid",
      "notes": {},
      "provenance": {
        "consent_license": "public",
        "first_seen": "2026-08-14",
        "last_seen": "2026-08-14",
        "method": "import",
        "source_hosts": [
          "sciencedirect.com"
        ],
        "source_urls": [
          "https://www.sciencedirect.com/science/article/abs/pii/S0003687021000685"
        ]
      },
      "quality": {
        "age_days": 35,
        "completeness": 1,
        "confidence": "high",
        "corroborated": false,
        "flags": [
          "single-source"
        ],
        "grade": "B",
        "hosts": 1,
        "independent_hosts": 1,
        "sources": 1,
        "stale": false,
        "stale_after_days": 180
      },
      "type": "task",
      "url": "https://www.sciencedirect.com/science/article/abs/pii/S0003687021000685"
    },
    {
      "fields": {
        "action": "twist-torque",
        "category": "container",
        "measure": "torque-Nm",
        "notes": "screw twist-off cap only; beer crown caps are pried, not twisted. Corroborated vs PET/beverage-cap torque class (ebottles, futek)",
        "range": "0.8-1.4 Nm (screw twist-off, beverage-cap class)",
        "task": "Open a twist-off metal cap",
        "url": "https://www.ebottles.com/blogs/articles/application-and-removal-torque-guidelines",
        "value": 1.2
      },
      "id": "task:open-a-twist-off-metal-cap-torque-nm",
      "name": "Open a twist-off metal cap",
      "notes": {},
      "provenance": {
        "consent_license": "public",
        "first_seen": "2026-08-14",
        "last_seen": "2026-08-14",
        "method": "import",
        "source_hosts": [
          "ebottles.com"
        ],
        "source_urls": [
          "https://www.ebottles.com/blogs/articles/application-and-removal-torque-guidelines"
        ]
      },
      "quality": {
        "age_days": 35,
        "completeness": 1,
        "confidence": "medium",
        "corroborated": false,
        "flags": [
          "single-source"
        ],
        "grade": "B",
        "hosts": 1,
        "independent_hosts": 1,
        "sources": 1,
        "stale": false,
        "stale_after_days": 180
      },
      "type": "task",
      "url": "https://www.ebottles.com/blogs/articles/application-and-removal-torque-guidelines"
    },
    {
      "fields": {
        "action": "press",
        "category": "door-hardware",
        "measure": "force-N",
        "notes": "ADA 404.2.9 MAX, not typical applied force",
        "range": "<=22.2 N (ADA MAX)",
        "task": "Operate a lever door handle",
        "url": "https://www.corada.com/documents/guide-to-the-ada-standards/opening-force-404-2-9",
        "value": 22.2
      },
      "id": "task:operate-a-lever-door-handle-force-n",
      "name": "Operate a lever door handle",
      "notes": {},
      "provenance": {
        "consent_license": "public",
        "first_seen": "2026-08-14",
        "last_seen": "2026-08-14",
        "method": "import",
        "source_hosts": [
          "corada.com"
        ],
        "source_urls": [
          "https://www.corada.com/documents/guide-to-the-ada-standards/opening-force-404-2-9"
        ]
      },
      "quality": {
        "age_days": 35,
        "completeness": 1,
        "confidence": "high",
        "corroborated": false,
        "flags": [
          "single-source"
        ],
        "grade": "B",
        "hosts": 1,
        "independent_hosts": 1,
        "sources": 1,
        "stale": false,
        "stale_after_days": 180
      },
      "type": "task",
      "url": "https://www.corada.com/documents/guide-to-the-ada-standards/opening-force-404-2-9"
    },
    {
      "fields": {
        "action": "insert",
        "category": "assembly",
        "measure": "force-N",
        "notes": "robotic insertion-force studies cluster 12-30 N; 6 N only for loose/chamfered small pegs",
        "range": "5-30 N (typical ~10-15; geometry/tolerance dependent)",
        "task": "Peg-in-hole insertion (assembly)",
        "url": "https://www.sciencedirect.com/science/article/pii/S2667379724000676",
        "value": 15
      },
      "id": "task:peg-in-hole-insertion-assembly-force-n",
      "name": "Peg-in-hole insertion (assembly)",
      "notes": {},
      "provenance": {
        "consent_license": "public",
        "first_seen": "2026-08-14",
        "last_seen": "2026-08-14",
        "method": "import",
        "source_hosts": [
          "sciencedirect.com"
        ],
        "source_urls": [
          "https://www.sciencedirect.com/science/article/pii/S2667379724000676"
        ]
      },
      "quality": {
        "age_days": 35,
        "completeness": 1,
        "confidence": "medium",
        "corroborated": false,
        "flags": [
          "single-source"
        ],
        "grade": "B",
        "hosts": 1,
        "independent_hosts": 1,
        "sources": 1,
        "stale": false,
        "stale_after_days": 180
      },
      "type": "task",
      "url": "https://www.sciencedirect.com/science/article/pii/S2667379724000676"
    },
    {
      "fields": {
        "action": "grip",
        "category": "kitchen",
        "measure": "force-N",
        "notes": "grip force during pouring task",
        "range": "12.8-18.2 N",
        "task": "Pour from a jug or bottle",
        "url": "https://pubmed.ncbi.nlm.nih.gov/27616303",
        "value": 15
      },
      "id": "task:pour-from-a-jug-or-bottle-force-n",
      "name": "Pour from a jug or bottle",
      "notes": {},
      "provenance": {
        "consent_license": "public",
        "first_seen": "2026-08-14",
        "last_seen": "2026-08-14",
        "method": "import",
        "source_hosts": [
          "pubmed.ncbi.nlm.nih.gov"
        ],
        "source_urls": [
          "https://pubmed.ncbi.nlm.nih.gov/27616303"
        ]
      },
      "quality": {
        "age_days": 35,
        "completeness": 1,
        "confidence": "medium",
        "corroborated": false,
        "flags": [
          "single-source"
        ],
        "grade": "B",
        "hosts": 1,
        "independent_hosts": 1,
        "sources": 1,
        "stale": false,
        "stale_after_days": 180
      },
      "type": "task",
      "url": "https://pubmed.ncbi.nlm.nih.gov/27616303"
    },
    {
      "fields": {
        "action": "press",
        "category": "tool",
        "measure": "force-N",
        "notes": "patent-stated stapling forces",
        "range": "50-133 N (20-25 sheets)",
        "task": "Press a desktop stapler",
        "url": "https://patents.justia.com/patent/6918525",
        "value": 55
      },
      "id": "task:press-a-desktop-stapler-force-n",
      "name": "Press a desktop stapler",
      "notes": {},
      "provenance": {
        "consent_license": "public",
        "first_seen": "2026-08-14",
        "last_seen": "2026-08-14",
        "method": "import",
        "source_hosts": [
          "patents.justia.com"
        ],
        "source_urls": [
          "https://patents.justia.com/patent/6918525"
        ]
      },
      "quality": {
        "age_days": 35,
        "completeness": 1,
        "confidence": "medium",
        "corroborated": false,
        "flags": [
          "single-source"
        ],
        "grade": "B",
        "hosts": 1,
        "independent_hosts": 1,
        "sources": 1,
        "stale": false,
        "stale_after_days": 180
      },
      "type": "task",
      "url": "https://patents.justia.com/patent/6918525"
    },
    {
      "fields": {
        "action": "press",
        "category": "tool",
        "measure": "force-N",
        "notes": "mechanical switch actuation spec",
        "range": "0.35-0.80 N (35-80 gf)",
        "task": "Press a keyboard key",
        "url": "https://keebsforall.com/blogs/mechanical-keyboards-101/actuation-force-in-switches",
        "value": 0.45
      },
      "id": "task:press-a-keyboard-key-force-n",
      "name": "Press a keyboard key",
      "notes": {},
      "provenance": {
        "consent_license": "public",
        "first_seen": "2026-08-14",
        "last_seen": "2026-08-14",
        "method": "import",
        "source_hosts": [
          "keebsforall.com"
        ],
        "source_urls": [
          "https://keebsforall.com/blogs/mechanical-keyboards-101/actuation-force-in-switches"
        ]
      },
      "quality": {
        "age_days": 35,
        "completeness": 1,
        "confidence": "high",
        "corroborated": false,
        "flags": [
          "single-source"
        ],
        "grade": "B",
        "hosts": 1,
        "independent_hosts": 1,
        "sources": 1,
        "stale": false,
        "stale_after_days": 180
      },
      "type": "task",
      "url": "https://keebsforall.com/blogs/mechanical-keyboards-101/actuation-force-in-switches"
    },
    {
      "fields": {
        "action": "press",
        "category": "appliance",
        "measure": "force-N",
        "notes": "membrane/dome actuation force",
        "range": "0.5-4.4 N dome switch; up to ~9 N assembled",
        "task": "Press an appliance/microwave button",
        "url": "https://blog.epectec.com/understanding-the-actuation-force-of-your-keypad",
        "value": 2.5
      },
      "id": "task:press-an-appliancemicrowave-button-force-n",
      "name": "Press an appliance/microwave button",
      "notes": {},
      "provenance": {
        "consent_license": "public",
        "first_seen": "2026-08-14",
        "last_seen": "2026-08-14",
        "method": "import",
        "source_hosts": [
          "blog.epectec.com"
        ],
        "source_urls": [
          "https://blog.epectec.com/understanding-the-actuation-force-of-your-keypad"
        ]
      },
      "quality": {
        "age_days": 35,
        "completeness": 1,
        "confidence": "medium",
        "corroborated": false,
        "flags": [
          "single-source"
        ],
        "grade": "B",
        "hosts": 1,
        "independent_hosts": 1,
        "sources": 1,
        "stale": false,
        "stale_after_days": 180
      },
      "type": "task",
      "url": "https://blog.epectec.com/understanding-the-actuation-force-of-your-keypad"
    },
    {
      "fields": {
        "action": "press",
        "category": "appliance",
        "measure": "force-N",
        "notes": "EN 81-70 operating range",
        "range": "2.5-5 N (EN 81-70); ADA <=22 N MAX",
        "task": "Press an elevator call button",
        "url": "https://electronics.alibaba.com/buyingguides/lift-call-buttons-how-to-choose-the-right-one",
        "value": 3.5
      },
      "id": "task:press-an-elevator-call-button-force-n",
      "name": "Press an elevator call button",
      "notes": {},
      "provenance": {
        "consent_license": "public",
        "first_seen": "2026-08-14",
        "last_seen": "2026-08-14",
        "method": "import",
        "source_hosts": [
          "electronics.alibaba.com"
        ],
        "source_urls": [
          "https://electronics.alibaba.com/buyingguides/lift-call-buttons-how-to-choose-the-right-one"
        ]
      },
      "quality": {
        "age_days": 35,
        "completeness": 1,
        "confidence": "medium",
        "corroborated": false,
        "flags": [
          "single-source"
        ],
        "grade": "B",
        "hosts": 1,
        "independent_hosts": 1,
        "sources": 1,
        "stale": false,
        "stale_after_days": 180
      },
      "type": "task",
      "url": "https://electronics.alibaba.com/buyingguides/lift-call-buttons-how-to-choose-the-right-one"
    },
    {
      "fields": {
        "action": "pull",
        "category": "door-hardware",
        "measure": "force-N",
        "notes": "matches the drawer-slide engineering operating-force spec range",
        "range": "11.7-27.4 N",
        "task": "Pull a drawer open",
        "url": "https://patents.google.com/patent/US7946667",
        "value": 15
      },
      "id": "task:pull-a-drawer-open-force-n",
      "name": "Pull a drawer open",
      "notes": {},
      "provenance": {
        "consent_license": "public",
        "first_seen": "2026-08-14",
        "last_seen": "2026-08-14",
        "method": "import",
        "source_hosts": [
          "patents.google.com"
        ],
        "source_urls": [
          "https://patents.google.com/patent/US7946667"
        ]
      },
      "quality": {
        "age_days": 35,
        "completeness": 1,
        "confidence": "medium",
        "corroborated": false,
        "flags": [
          "single-source"
        ],
        "grade": "B",
        "hosts": 1,
        "independent_hosts": 1,
        "sources": 1,
        "stale": false,
        "stale_after_days": 180
      },
      "type": "task",
      "url": "https://patents.google.com/patent/US7946667"
    },
    {
      "fields": {
        "action": "pull",
        "category": "container",
        "measure": "force-N",
        "notes": "ISO 9727-5 extraction test",
        "range": "176-421 N (natural ~196, technical ~329)",
        "task": "Pull a wine cork",
        "url": "https://www.mecmesin.com/publications/wine-cork-extraction-test-iso-9727-5",
        "value": 260
      },
      "id": "task:pull-a-wine-cork-force-n",
      "name": "Pull a wine cork",
      "notes": {},
      "provenance": {
        "consent_license": "public",
        "first_seen": "2026-08-14",
        "last_seen": "2026-08-14",
        "method": "import",
        "source_hosts": [
          "mecmesin.com"
        ],
        "source_urls": [
          "https://www.mecmesin.com/publications/wine-cork-extraction-test-iso-9727-5"
        ]
      },
      "quality": {
        "age_days": 35,
        "completeness": 1,
        "confidence": "high",
        "corroborated": false,
        "flags": [
          "single-source"
        ],
        "grade": "B",
        "hosts": 1,
        "independent_hosts": 1,
        "sources": 1,
        "stale": false,
        "stale_after_days": 180
      },
      "type": "task",
      "url": "https://www.mecmesin.com/publications/wine-cork-extraction-test-iso-9727-5"
    },
    {
      "fields": {
        "action": "pull",
        "category": "personal-care",
        "measure": "force-N",
        "notes": "no authoritative operating pull-force source; ASTM D2061 measures destructive strength (hundreds of N), a different quantity",
        "range": "5-15 N (rough estimate, unverified)",
        "task": "Pull a zipper",
        "url": "https://standards.iteh.ai/catalog/standards/astm/951d9d29-eafe-472f-b307-c5fc75c3595c/astm-d2061-07-2021",
        "value": 10
      },
      "id": "task:pull-a-zipper-force-n",
      "name": "Pull a zipper",
      "notes": {},
      "provenance": {
        "consent_license": "public",
        "first_seen": "2026-08-14",
        "last_seen": "2026-08-14",
        "method": "import",
        "source_hosts": [
          "standards.iteh.ai"
        ],
        "source_urls": [
          "https://standards.iteh.ai/catalog/standards/astm/951d9d29-eafe-472f-b307-c5fc75c3595c/astm-d2061-07-2021"
        ]
      },
      "quality": {
        "age_days": 35,
        "completeness": 1,
        "confidence": "low",
        "corroborated": false,
        "flags": [
          "single-source"
        ],
        "grade": "D",
        "hosts": 1,
        "independent_hosts": 1,
        "sources": 1,
        "stale": false,
        "stale_after_days": 180
      },
      "type": "task",
      "url": "https://standards.iteh.ai/catalog/standards/astm/951d9d29-eafe-472f-b307-c5fc75c3595c/astm-d2061-07-2021"
    },
    {
      "fields": {
        "action": "grip",
        "category": "tool",
        "measure": "force-N",
        "notes": "human max grip capability, an upper bound not a task requirement",
        "range": "~230 N (F) to ~450 N (M) maximum capability",
        "task": "Squeeze pliers (max hand grip)",
        "url": "https://link.springer.com/article/10.3109/11038128.2011.553687",
        "value": 450
      },
      "id": "task:squeeze-pliers-max-hand-grip-force-n",
      "name": "Squeeze pliers (max hand grip)",
      "notes": {},
      "provenance": {
        "consent_license": "public",
        "first_seen": "2026-08-14",
        "last_seen": "2026-08-14",
        "method": "import",
        "source_hosts": [
          "link.springer.com"
        ],
        "source_urls": [
          "https://link.springer.com/article/10.3109/11038128.2011.553687"
        ]
      },
      "quality": {
        "age_days": 35,
        "completeness": 1,
        "confidence": "high",
        "corroborated": false,
        "flags": [
          "single-source"
        ],
        "grade": "B",
        "hosts": 1,
        "independent_hosts": 1,
        "sources": 1,
        "stale": false,
        "stale_after_days": 180
      },
      "type": "task",
      "url": "https://link.springer.com/article/10.3109/11038128.2011.553687"
    },
    {
      "fields": {
        "action": "twist-torque",
        "category": "door-hardware",
        "measure": "torque-Nm",
        "notes": "accessibility ceiling",
        "range": "<=0.5 Nm (BS 8300 MAX; typical often higher)",
        "task": "Turn a deadbolt thumb-turn",
        "url": "https://door-view.co.uk/resources/bs-8300",
        "value": 0.5
      },
      "id": "task:turn-a-deadbolt-thumb-turn-torque-nm",
      "name": "Turn a deadbolt thumb-turn",
      "notes": {},
      "provenance": {
        "consent_license": "public",
        "first_seen": "2026-08-14",
        "last_seen": "2026-08-14",
        "method": "import",
        "source_hosts": [
          "door-view.co.uk"
        ],
        "source_urls": [
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        ]
      },
      "quality": {
        "age_days": 35,
        "completeness": 1,
        "confidence": "medium",
        "corroborated": false,
        "flags": [
          "single-source"
        ],
        "grade": "B",
        "hosts": 1,
        "independent_hosts": 1,
        "sources": 1,
        "stale": false,
        "stale_after_days": 180
      },
      "type": "task",
      "url": "https://door-view.co.uk/resources/bs-8300"
    },
    {
      "fields": {
        "action": "twist-torque",
        "category": "door-hardware",
        "measure": "torque-Nm",
        "notes": "standards give a 1.5 Nm worst-case max, not a typical turning torque; typical value remains unverified",
        "range": "0.13-0.25 typical; <=1.5 Nm BS EN 1303 post-abuse max",
        "task": "Turn a key in a lock",
        "url": "https://www.hoppe.com/in-en/contacts-service/standards/bs-en-1303",
        "value": 0.18
      },
      "id": "task:turn-a-key-in-a-lock-torque-nm",
      "name": "Turn a key in a lock",
      "notes": {},
      "provenance": {
        "consent_license": "public",
        "first_seen": "2026-08-14",
        "last_seen": "2026-08-14",
        "method": "import",
        "source_hosts": [
          "hoppe.com"
        ],
        "source_urls": [
          "https://www.hoppe.com/in-en/contacts-service/standards/bs-en-1303"
        ]
      },
      "quality": {
        "age_days": 35,
        "completeness": 1,
        "confidence": "low",
        "corroborated": false,
        "flags": [
          "single-source"
        ],
        "grade": "D",
        "hosts": 1,
        "independent_hosts": 1,
        "sources": 1,
        "stale": false,
        "stale_after_days": 180
      },
      "type": "task",
      "url": "https://www.hoppe.com/in-en/contacts-service/standards/bs-en-1303"
    },
    {
      "fields": {
        "action": "twist-torque",
        "category": "appliance",
        "measure": "force-N",
        "notes": "ADA MAX operating force; seminal measured torque source is Bordett/Koppa 1988 (Human Factors), Nm paywalled",
        "range": "ADA operating-force cap <=22.2 N",
        "task": "Turn a kitchen faucet handle",
        "url": "https://pubmed.ncbi.nlm.nih.gov/3169792",
        "value": 22.2
      },
      "id": "task:turn-a-kitchen-faucet-handle-force-n",
      "name": "Turn a kitchen faucet handle",
      "notes": {},
      "provenance": {
        "consent_license": "public",
        "first_seen": "2026-08-14",
        "last_seen": "2026-08-14",
        "method": "import",
        "source_hosts": [
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        "source_urls": [
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        "completeness": 1,
        "confidence": "low",
        "corroborated": false,
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        "grade": "D",
        "hosts": 1,
        "independent_hosts": 1,
        "sources": 1,
        "stale": false,
        "stale_after_days": 180
      },
      "type": "task",
      "url": "https://pubmed.ncbi.nlm.nih.gov/3169792"
    },
    {
      "fields": {
        "action": "twist-torque",
        "category": "door-hardware",
        "measure": "torque-Nm",
        "notes": "well under the A117.1 rotational cap of 3.16 Nm (28 in-lb); typical low estimate",
        "range": "typical; <=3.16 Nm (ICC/ANSI A117.1 rotational max)",
        "task": "Turn a round doorknob",
        "url": "https://idighardware.com/2014/03/decoded-operational-force-for-door-hardware",
        "value": 0.7
      },
      "id": "task:turn-a-round-doorknob-torque-nm",
      "name": "Turn a round doorknob",
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      "provenance": {
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        "first_seen": "2026-08-14",
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        "source_hosts": [
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  "_meta": {
    "source": "Blomega Data Refinery",
    "url": "https://data.blomega.com",
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    "cite_as": "Blomega Data Refinery (https://data.blomega.com), CC BY 4.0. Cite the registry and the record id.",
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