A professional who sets up dial-feed machine to daub and spray lacquer to base and mouth of cartridge cases to form waterproof seal around primer and bullet. Responsibilities include:

• Aligns and adjusts feeding, lacquering, blotting, and ejecting mechanisms, and installs reels of blotting-paper tape, using handtools.
• Thins lacquer with acetate to desired consistency and pours it into machine reservoirs.
• Measures drain time of sample mixture to verify conformance to specified viscosity, using electric timer.
• Drains and flushes reservoirs and feed tubes to prevent clogging, using thinner.