HVAC closed loop distribution and circulating pumps, control valves, variable frequency drives, HVAC closed loop piping systems, rooftop exhaust fans, return fans, stair pressurization fans, HVAC fan coil units and univents, VAV Boxes, kitchen and serving line exhaust hood cleaning systems and air cleaning systems, natural gas and diesel generators, closed loop heat exchanger, scissor lift working platform, exterior trailer scissor lift, building steam humidifiers, pressure regulators, building sump pumps, sewage pumps, grease pumps, irrigation pumps, Welcome Center water feature pumps, water softener brine tanks/salt pits/pumps, domestic hot water heaters, hot water storage tanks, booster heaters, hot water distribution pumps, domestic water control valves, hands free sink/toilet/urinal units, all domestic plumbing supplies/faucet/showers and drains, electrical panels 110-120, custodial riding vacuum and extractor, floor scrubbers, walk behind vacuums, Host extractor, office work station furniture, suspended ceiling grids and tiles, door locks/hardware/closers, basic kitchen/serving line and catering equipment -- various sizes of ice machines, ice flakers, garbage disposals, grease traps, ovens, grills, ranges, steam wells, steam kettles, mobile warmers, air screen display coolers, reach in coolers/freezers, walk-in coolers/freezers. Basic functional knowledge to perform simple operation or simple repair under the direction of a supervisor on the following building/mechanical/ facilitie equipment : A/C package units, air dryers, duct dampers, air compressors, various sizes/styles/makes/ages of air handlers, face and bypass louvers, cooling towers, condensing high efficiency boilers, glycol closed loop piping.