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truck crane 
Mobile telescopic crane that is mounted on the chassis of a straight truck.
operator’s cab
Cab attached to the chassis from which the operator manipulates the crane.
elevating cylinder
Hydraulic device that consists of a telescopic arm for raising and lowering the boom.
outrigger
Retractable component that braces the truck against the forces of its load when stationary.
telescopic boom
Boom whose parts slide one inside the other so that its height can be adjusted and it can be stored compactly for transportation.
