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Construction cranes generally consist of a base, a moveable arm, and a pulley system. The base is typically bolted to the ground or a concrete slab, while the arm is controlled by an operator who uses a series of ropes, ropes, and pulleys to move it up and down, as well as side-to-side. The pulley sRead more
Construction cranes generally consist of a base, a moveable arm, and a pulley system. The base is typically bolted to the ground or a concrete slab, while the arm is controlled by an operator who uses a series of ropes, ropes, and pulleys to move it up and down, as well as side-to-side.
The pulley system is what allows the crane to lift heavy loads and move them around. The arm can rotate around the base, giving it a full range of motion and allowing it to reach much higher heights than stationary structures.
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