Three to five years of practical wiring to terminal blocks and programable logic controllers (PLC), troubleshooting measurement controls and related instrument and devices to include power supplies, pneumatics, gauges, valves, relays, flowmeters, regulators, and controllers. These markets include aerospace and defense, factory automation, air and water quality environmental monitoring, electronics design and development, oceanographic research, deepwater oil and gas exploration and production, medical imaging and pharmaceutical research..