Install, dismantle, or move machinery and heavy equipment according to layout plans, blueprints, or other drawings.

Repair, install, adjust, or maintain industrial production and processing machinery or refinery and pipeline distribution systems. May also install, dismantle, or move machinery and heavy equipment according to plans.

Install, service, or repair heating and air conditioning systems in residences or commercial establishments.

Diagnose, adjust, repair, or overhaul aircraft engines and assemblies, such as hydraulic and pneumatic systems.

Diagnose, adjust, repair, or overhaul motorcycles, scooters, mopeds, dirt bikes, or similar motorized vehicles.

Install, repair, and maintain mechanical regulating and controlling devices, such as electric meters, gas regulators, thermostats, safety and flow valves, and other mechanical governors.

Repair only one system or component on a vehicle, such as brakes, suspension, or radiator.

Repair, test, adjust, or install electronic equipment, such as industrial controls, transmitters, and antennas.

Replace or repair broken windshields and window glass in motor vehicles.

Inspect, test, repair, or maintain electrical equipment in generating stations, substations, and in-service relays.