Crane (machine) - Simple English Wikipedia, the free encyclopedia

# Crane (machine)

### From Simple English Wikipedia, the free encyclopedia

A tower crane with a pivoted main boom

A crane is a mechanical lifting device equipped with hoists, wire ropes and sheaves that can be used both to lift and lower materials and to move them horizontally. Cranes are commonly employed in the construction industry and in manufacturing heavy equipment.

## [edit] External links

- Knots, hitches and bends
- VRML Simulation of an Excavator, Tower Crane, and Dumptruck
- A medieval crane at work - Three different VR Panoramas - at the top of a tower on Charles Bridge, Prague, Czech Republic.

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Cranes

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Category: Engineering

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