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Archivio TRADERE
to safeguard the know-how of Travertine stone workers
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TOOLS Tools -> Pulley/Tackle - records: 5 Device which serves to exert, by means of ropes, cables and sometimes chains, high tractive efforts to lift loads, or drag. It consists of a system of pulleys by which it reduces the force required for lifting a specified weight. Normally the hoists are easy to handle and can be installed and moved with great ease, for which they are used widely all times that it is not required a lifting drive, such as a crane. Sometimes the hoists are used in fixed or suspended trolleys of the guides in order to facilitate the movement of cargo along certain routes. |
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Record(s) found: 5.
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