A professional who tends machine and injection equipment that line dry-cell battery cans with liquid paste that serves as separator between anode (can) and cathode (core) and as reservoir for portion of electrolyte. Responsibilities include:

• Turns valve to open paste line and admit paste to reservoir of injection device.
• Starts machine and feeds unlined cans into openings in dial-type holder that positions cans to receive injection of measured amount of paste and spins cans to distribute paste evenly.
• Pushes unlined cans into opening to eject lined cans, dropping them onto conveyor belt leading to dryer.
• Removes excess paste from face of dial, using hand scraper.