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  2. Manual handling of loads - Wikipedia

    en.wikipedia.org/wiki/Manual_handling_of_loads

    The NIOSH lifting equation is a tool (now application) that can be used by health and safety professionals to assess employees who are exposed to manual lifting or handling of materials. [7] The NIOSH lifting equation is a mathematical calculation which calculates the Recommended Weight Limit (RWL) using a series of tables, variables, and ...

  3. Ergonomics for manual material handling - Wikipedia

    en.wikipedia.org/wiki/Ergonomics_for_Manual...

    The National Institute of Occupational Safety and Health (NIOSH) lifting equation (1994) [1] provides guidelines for evaluating two-handed manual lifting tasks. It defines a Recommended Weight Limit (RWL) as the weight of the load that nearly all healthy workers can lift over a substantial period of time (e.g., eight hours) without an increased ...

  4. Hoist (device) - Wikipedia

    en.wikipedia.org/wiki/Hoist_(device)

    Hoist atop an elevator. A hoist is a device used for lifting or lowering a load by means of a drum or lift-wheel around which rope or chain wraps. It may be manually operated, electrically or pneumatically driven and may use chain, fiber or wire rope as its lifting medium.

  5. Pallet jack - Wikipedia

    en.wikipedia.org/wiki/Pallet_jack

    Typical manual pallet jack (lowered) A pallet jack, also known as a pallet truck or pallet pump, is a tool used to lift and move pallets.Pallet jacks are the most basic form of a forklift [1] and are intended to move palletized loads within warehouses, distribution centers, retail stores, and construction sites.

  6. Material handling - Wikipedia

    en.wikipedia.org/wiki/Material_handling

    The NIOSH (National Institute for Occupational Safety and Health) 1991 Revised Lifting Equation [14] can be used to evaluate manual lifting tasks. Under ideal circumstances, the maximum recommended weight for manual lifting to avoid back injuries is 51 lb (23.13 kg).

  7. Hand truck - Wikipedia

    en.wikipedia.org/wiki/Hand_truck

    A hand truck. A hand truck, also known as a hand trolley, dolly, stack truck, trundler, box cart, sack barrow, cart, sack truck, two wheeler, or bag barrow, is an L-shaped box-moving handcart with handles at one end, wheels at the base, with a small ledge to set objects on, flat against the floor when the hand truck is upright. [1]

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  9. Derrick - Wikipedia

    en.wikipedia.org/wiki/Derrick

    When the mast is rotated, the connected boom is swung from to the side. The control of the lifting location is done by the manipulation of the top pulley system and the rotation of the mast at the base. The load is lifted by another pulley system connected to the top of the boom. [2] In a medium load lifting, another construction method can be ...