Exposure to various working conditions: indoor/outdoor, hot/cold/damp environments, dirt, fumes, and potential hazards like explosives or contaminants; personal protective equipment (e.g., steel-toed shoes, gloves) may be required. Operate straight-in-line trucks with airbrakes and truck-trailer combinations, typically with a gross vehicle weight (GVW) of 10,000 to 32,000 pounds, over varied terrain and roadways to transport cargo, personnel, and materials.