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Cranes

A crane is a type of machinery used for lifting and moving heavy materials in construction, transportation (loading and unloading merchandise) and other fields. Most cranes are equipped with a hoist, wire ropes or chains, and sheaves, that can be used both to lift and lower materials and to move them around.

Contributors in Cranes

Cranes

plate V inspector

Industrial machinery; Cranes

Inspector qualified to perform Cal/OSHA Plate V certifications

crane inspector

Industrial machinery; Cranes

Inspector qualified to inspect cranes, hoists, and miscellaneous lifting devices

lifting device

Industrial machinery; Cranes

Includes a broad range of equipment used in hoisting and rigging activities:

two-blocking

Industrial machinery; Cranes

Inadvertent physical contact between the load block and the upper block or other part of the trolley.

true vertical lift

Industrial machinery; Cranes

In true vertical lift, the load hook travels in a true vertical path between the lower limit of lift and the upper limit of lift.

match marking

Industrial machinery; Cranes

Identification of non-interchangeable parts for re-assembly after shipment.

longitudinal stiffeners

Industrial machinery; Cranes

Horizontal members attached to the web of the bridge girder to prevent web buckling.

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