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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. Construction cranes have either telescoping, lattice or articulating booms. Telescoping boom cranes would include the Industrial, Rough Terrain, Truck Mounted, All Terrain and City Cranes. Lattice boom cranes would include the Crawler Mounted, Truck Mounted, Ringer Mounted and Hammerhead and Luffing Boom tower cranes. Articulating boom cranes are mounted on commercial trucks and can have telescoping boom sections and hoists. Railroad Track and Floating Cranes can be either telescoping, lattice or articulating boom. Manufacturing cranes would include the Mono-Rails, Bridge, Polar, Gantry and Stacker Cranes.
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