A professional who repairs acetylene gas welding equipment, using handtools and metalworking machines. Respnsibilities include:

• Disassembles parts, such as worn hose, torch tips, torch valves, pressure gauges and regulators.
• Examines parts and repairs usable ones, using hand files and metalworking machines, such as lathes, drill presses, and grinding wheels.
• Replaces defective parts with new or rebuilt ones, using handtools.