crane
crane
1. A machine for lifting or lowering a load and moving it horizontally, in which the hoisting mechanism is an integral part of the machine; classified by mounting, by boom configuration, and by lifting capacity.
2.See fireplace crane.
Grab Crane
a hoisting crane whose load-lifting mechanism is a clamshell-like grapple. The grab crane is widely used for loading and unloading at ports, the depots of industrial establishments, construction sites, railroad stations, and elsewhere.
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