Thorough knowledge of the safe operation of a range of vehicles and material handling equipment (i.e., cab-over, day cab, and conventional tractors; flatbed, lowboy, car carrier, 53 foot, and wide load trailers; cranes, military vehicles, scissor lifts, buses, etc.) within the scope of the commercial Class A driver''s license, with endorsements. They must hold a Class A driver''s license, with endorsements, and be capable of operating a range of vehicles to include tractor-trailers, box trucks, forklifts, and other material handling equipment.