heavy and tractor-trailer truck drivers

Operating self-propelled equipment that assists with reaping, harvesting, threshing, swathing, or winnowing crops such as corn, milo; performing manual or mechanical adjustments to equipment; performing safety checks on equipment; maintaining and repairing equipment and other tools; driving truck or tractor wither trailer alongside harvesting machine to collect the crop; driving truck for transporting crops to elevators, silos, or other storage a reas, and transporting equipment and other tools used for harvesting from one field to another.