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Moving an object up an inclined plane requires less force than lifting it straight up, at a cost of an increase in the distance moved. [4] The mechanical advantage of an inclined plane, the factor by which the force is reduced, is equal to the ratio of the length of the sloped surface to the height it spans.
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.
This nifty little tool helps you lift heavy objects like large panels of wood or drywall. It clamps onto the top of the panel and has a handle that lets you carry these large slabs right on your ...
Lifting or lowering while in the seated or kneeling position; Lifting or lowering in restricted areas (where full range of motion cannot be achieved; Lifting or lowering unstable objects; Lifting or lowering while carrying, pushing, or pulling. Lifting or lowering using devices such as wheelbarrows or shovels; Lifting or lowering with high ...
The generally accepted definition of a crane is a machine for lifting and moving heavy objects by means of ropes or cables suspended from a movable arm. As such, a lifting machine that does not use cables, or else provides only vertical and not horizontal movement, cannot strictly be called a 'crane'. Types of crane-like lifting machine include:
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Rigging is both a noun, the equipment, and verb, the action of designing and installing the equipment, in the preparation to move objects. 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 ...