The nuts and bolts of...screws and washers.
Dondelinger
Robert
R
U.S. Military Entrance Processing Command, North Chicago, IL, USA.
D001698:Biomedical Engineering / Q000295:instrumentation*; D004582:Electronics, Medical / Q000295:instrumentation*; D004868:Equipment Failure; D019544:Equipment Failure Analysis; D008283:Maintenance; D014481:United States