Installs, troubleshoots and repairs new and existing electrical wiring for industrial complexes and machinery, high tension lines, hydraulic equipment, conveyor systems, high intensity lighting systems and fire alarm systems; installs and repairs new and existing hydraulic, nitrogen, oxygen, steam heating and steam generating piping systems and steam generators, flash and expansion- tanks, condensate/vacuum circulating pumps, and radiators; constructs brick, block and stone structures such as circular smoke stars, chimneys, manholes, boilers, archways, and furnace walls. Installs, overhauls and repairs large commercial industrial air conditioning, exhaust, ventilating, humidifying/dehumidifying systems, high pressure boilers, and towers, with associated component equipment such as super heaters, pre-heaters, economizers, baffles; breechings, reciprocating/centrifugal compressors, refrigerant controls, hermetically sealed motors, condensers, pressure controls, thermostatic motor controls, automatic defrosting controls, feed water regulators, transformers, electrodes, governors, turbine blades, distribution lines, automatic alarms, etc.