A professional who repairs and adjusts spray-paint guns and paint-mixing machines, using handtools. Responsibilities include:

• Disassembles spray gun, using wrenches.
• Cleans parts in gasoline or other solvent.
• Wipes parts dry.
• Replaces valves, jets, and other worn or broken parts.
• Attaches new hose to guns.
• Turns thumbscrews, nuts, and other controls on gun to adjust jets and nozzles.
• Repairs agitators of paint-mixing equipment.
• May mix paints and lacquers, using paddle or electric shaker-agitator, scales, and viscosity cups.
• May order parts and materials to maintain inventory levels.