M.G.L. c. 146 § 53 states that anyone who will operate derricks, cableways, machinery used for discharging cargoes, and temporary elevator cars used on excavation work or used for hoisting building material, when the motive power to operate such machinery is mechanical and other than steam, including but not limited to excavators, backhoes, front end loaders, uniloaders, skid loader, skid steer loaders, compact loaders or similar devices, lattice cranes, derricks, cranes with or without wire rope; all fork lifts, powered industrial lift trucks, overhead hoists (underhung), overhead cranes, underhung cranes, monorail cranes, lifting devices, cableways, and powered platforms, or any other equipment that has the minimum capability of hoisting the load higher than 10 feet, and either the capability of lifting loads greater than 500 pounds or the capacity of the bucket exceeds 1/4 cubic yards must hold a license from the Department. See 520 CMR 6.01.