General unskilled labor includes, but not limited to, digging, shoveling and plowing snow, lifting and carrying heavy loads, moving furniture and equipment, loading and unloading trucks, placing shores or rigging under the direction of a rigger, and all other similar functions involving primarily manual labor. Maintaining a valid DOT CDL Class A commercial driver’s license with air endorsement and an associated Department of Transportation physical examination certificate is required as well as successful DOT drug testing.