Called at full speed hoist used to lift or move a load with large mechanical advantage, because you need to apply a force much less than the weight to be moved, carried two or more pulleys to minimize the effort.
usually be subject to a rotating arm that is attached to a machine and vary in size or power lifting, small maneobran hand is the largest typically accompanied by an electric motor.
usually be subject to a rotating arm that is attached to a machine and vary in size or power lifting, small maneobran hand is the largest typically accompanied by an electric motor.
Andres Rojas Franco
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