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2. Working load limit - Wikipedia

   en.wikipedia.org/wiki/Working_load_limit

   The factor can be as high as 10:1 or 10 to 1, if the equipment poses a risk to a person's life. Working Load Limit (WLL) is the maximum working load designed by the manufacturer. This load represents a force that is much less than that required to make the lifting equipment fail or yield. The WLL is calculated by dividing MBL by a safety factor ...

3. Block and tackle - Wikipedia

   en.wikipedia.org/wiki/Block_and_tackle

   The mechanical advantage is 2, requiring a force of only 50 N to lift the load. A block and tackle is characterized by the use of a single continuous rope to transmit a tension force around one or more pulleys to lift or move a load. Its mechanical advantage is the number of parts of the rope that act on the load. The mechanical advantage of a ...

4. Crane (machine) - Wikipedia

   en.wikipedia.org/wiki/Crane_(machine)

   Crane (machine) Diagram of a modern crawler crane with outriggers. The latticed boom is fitted with a jib. A crane is a machine used to move materials both vertically and horizontally, utilizing a system of a boom, hoist, wire ropes or chains, and sheaves for lifting and relocating heavy objects within the swing of its boom.

5. Manual handling of loads - Wikipedia

   en.wikipedia.org/wiki/Manual_handling_of_loads

   Manual handling of loads. Manual handling of loads (MHL) or manual material handling (MMH) involves the use of the human body to lift, lower, carry or transfer loads. The average person is exposed to manual lifting of loads in the work place, in recreational atmospheres, and even in the home. To properly protect one from injuring themselves, it ...

6. Jack (device) - Wikipedia

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

   Jack (device) Jack which can lift a mobile home. A jack is a mechanical lifting device used to apply great forces or lift heavy loads. A mechanical jack employs a screw thread for lifting heavy equipment. A hydraulic jack uses hydraulic power. [1] The most common form is a car jack, floor jack or garage jack, which lifts vehicles so that ...

7. Rigging (material handling) - Wikipedia

   en.wikipedia.org/wiki/Rigging_(material_handling)

   A team of riggers design and install the lifting or rolling equipment needed to raise, roll, slide, or lift objects such as heavy machinery, structural components, building materials, or large-scale fixtures with a crane, hoist, or block and tackle. Rigging comes from the rig, to set up or prepare. Rigging is the equipment such as wire rope ...