1. SUMMARYResponsible for assisting in the operation of machines that move heavy objects including steel plates, bundles of steel rods, drilling towers, platforms, and the heavy construction equipment used to build and take down steel structures. Riggers are responsible for deciding which pulleys, booms, braces, and cables are strong enough for each job. They also must know where to attach the hooks, chains, and cables to lift a load safely. In some cases, riggers build equipment around the