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Practical experiments moving loads on a sledge over a lubricated track have shown that one man could pull one ton. Thus, the 1,000 ton colossus of Ramesses II could have been moved by 1,000 men (or 200 oxen). The movement of large stones was not

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Practical experiments moving loads on a sledge over a lubricated track have shown that one man could pull one ton. Thus, the 1,000 ton colossus of Ramesses II could have been moved by 1,000 men (or 200 oxen). The movement of large stones was not

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Crane (machine) - Wikipedia

The device uses one or more simple machines to create mechanical advantage and thus move loads beyond the normal capability of a human. Cranes are commonly employed in the transport industry for the loading and unloading of freight, in the construction industry for the movement of materials, and in the manufacturing industry for the assembling of heavy equipment .

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A hydraulic lift typically uses hydraulic cylinders to either raise or lower platforms for work, or other lifting devices. Hydraulic lifts are ideally used for support, as well as lift and move heavy to very heavy, and large objects; at the same time providing a safe environment that is ergonomically useful.

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Hoist | mechanical device | Britannica

Hoist, mechanical device used primarily for raising and lowering heavy loads but occasionally for moving objects horizontally.It usually consists of a block and tackle—a combination of one or more fixed pulleys, a moving pulley with a hook or other similar means of attaching loads, and a rope (or cable) between them. ...

Crusher - Wikipedia

A crusher is a machine designed to reduce large rocks into smaller rocks, gravel, sand or rock dust.Crushers may be used to reduce the size, or change the form, of waste materials so they can be more easily disposed of or recycled, or to reduce the size of a solid mix of raw materials (as in rock ore), so that pieces of different composition can be differentiated.