, and air conditioning (HVAC) systems to maximize efficiency of systems Selects gauges or types of sheet metal or nonmetallic... material, according to product specifications Trains and mentors' helper/trainees Performs other duties as assigned...
, and air conditioning (HVAC) systems to maximize efficiency of systems Selects gauges or types of sheet metal or nonmetallic... material, according to product specifications Trains and mentors' helper/trainees Performs other duties as assigned...