Repair, maintain, or install electric motors, wiring, or switches.
Repair, test, adjust, or install electronic equipment, such as industrial controls, transmitters, and antennas.
Repair, adjust, or install audio or television receivers, stereo systems, camcorders, video systems, or other electronic home entertainment equipment.
Repair, adjust, or install all types of electric or gas household appliances, such as refrigerators, washers, dryers, and ovens.
Repair and adjust cameras and photographic equipment, including commercial video and motion picture camera equipment.
Test, adjust, or repair biomedical or electromedical equipment.