Check production speed and quality on many types of automated machines.
Tends electric furnace that anneals base sections of hardened projectile bodies to facilitate subsequent machining operations: Lifts projectile from conveyor with tongs and fits projectile in holder on machine table. Pushes switch to activate mechanism that elevates table and thrusts projectile base into furnace unit. Observes dial indicator and presses button to maintain flow of current according to specifications. Removes projectile when table descends automatically. Quenches projectile base in water.