These technicians work to set up manufacturing machinery and equipment. They take measurements, make adjustments to equiment and employ electrical and electronic technologgy. Hydraulic, pneumatic testing equipment and computers are used to verify the correct functioning and safety of all machinery according to spefications, regulations and policies, including environmental concerns..Using calipers, micrometers,snd gauges, they inspect products for quality, insure that specifications are met and everything is operating properly. They advise managers regarding production procedures.