Selects cables, ropes, pulleys, winches, blocks and sheaves according to weight and size of load to be moved, Attaches pulley and blocks to fixed overhead structures, such as beams, ceilings and gin pole booms, with bolts and clamps, Attaches load to crane hook with grappling devices, such as loops, wires, ropes and chains, Gives directions to equipment operator engaged in hoisting and moving loads, Ensures the safety of workers and material handlers using hand signals, loudspeaker or telephone, Sets up, braces and rigs hoisting equipment, Splices rope and wire to repair slings and tackles, May direct workers engaged in hoisting of machinery and equipment into ships, railroad cars or trucks, Perform additional assignments per supervisor's direction. reaching in all directions; handling and manipulating objects and materials; coordinating the movements of eyes, hands and fingers to operate tools and equipment; lifting 30 to 50 pounds from ground level, waist level, and/or overhead; carrying objects, tools, equipment, etc.