A professional who assembles, repairs, remodels, and services photographing, projecting, editing, sound-recording, and power equipment used in motion picture production, using handtools and bench machines. Responsibilities include:

• Reads job order and blueprints to plan work procedures.
• Disassembles defective equipment, using handtools.
• Constructs replacement parts (except camera lenses and other optical parts) used to repair or remodel equipment, using machines, such as bench lathes, milling machines, gear cutters, grinders, and drill presses.
• Finishes, fits, and installs parts, using precision handtools and calibration devices.
• Measures installed parts for conformance to specifications, using micrometers and calipers.
• Operates repaired equipment to verify operational efficiency.
• Cleans and lubricates equipment.