A Heavy Equipment Operator operates equipment such as back-hoes, track-hoes, bulldozers, mini excavators, skid steers, or track loaders to lift, move or place equipment or materials. They also inspect, clean, lubricate and fuel equipment prior to beginning their shift or as additionally required. They work closely with other equipment operators and ground crew in the preparation and construction of civil or commercial building sites. Operators use sound judgment to safeguard life and property while in control of their equipment. Many operators work with several types of equipment while some choose to specialize in just one or more.