Examples of building construction trades include cabinetmaker, carpenter, concrete finisher, electrician, HVAC controls technician, HVAC mechanic, ironworker, millwright, painter, pipefitter, plasterer, plumber, refrigeration mechanic, roofer, sheet metal worker, steamfitter, tile setter and welder. Examples of repair/maintenance of mechanical equipment include Operating Engineer 1/2, auto mechanic, Mobile Equipment Maintenance Mechanic, Mobile Equipment Overhaul Mechanic and Mobile Equipment Master Mechanic.