: Under supervision, performs skilled work in refrigeration, air conditioning, heating, and ventilation tasks in accordance with standard... trade practices. Identifies issues, solves problems, and takes appropriate action in relation to Heating, and Ventilation...
, performs skilled work in refrigeration, air conditioning, heating, and ventilation tasks in accordance with standard trade... practices. Identifies issues, solves problems, and takes appropriate action in relation to Heating, and Ventilation Air...