Set-up, load/unload, operate, monitor, and maintain various types of heat treat furnaces and ovens such as vacuum, box, pit, conveyor, elevator, and fluidized bed to perform a variety of heat treat processes such as harden, temper, stress relieve, anneal, normalize, solution, age, and stabilize. 4. Set-up, read, inspect, adjust, and maintain blast guns, nozzles, hoses, screen separators, dust collectors, add hoppers, pressure gages, speed indicators, amp meters, flow meters, timers, almen gages, and associated devices to specified parameter values.