9 fan blade pitch gauges; Workmen's protective face shields; Carpenter's levels; Scientific and technical apparatus, namely, optical mirrors; Inspection mirrors; propane gas pressure indicators; Weighing scales; Measuring tools, namely, slide calipers, laser tape measures, and tape measures; heating and air conditioning test equipment, namely, air flow meters, capacitor testers, circuit testers, electrical pocket testers, gas pressure test gauge, heating system boiler gauges, glycol refractometers, humidity testers, temperature testers, multi-meters for measuring resistance, current and voltage, infrared thermometers not for medical purposes, insulation testers, manometers, megohmmeters, microwave leak detectors, anemometers, moisture indicators, natural gas pressure indicators, oil refractometers, phase rotation indicators, piping thermometers not for medical use, psychrometers, refrigerant and temperature digital charts in the nature of refrigerant meters, smoke detectors, solenoid voltage testers, tachometers, thermometers not for medical purposes, video borescopes, and watt meters in the nature of power meters; electrical components, namely, plastic conduit for electrical use; connectors for electronic circuits; Electrical plug device enabling connection and disconnection of power and/or control cables; Fuse clips and panel-mounted fuse holders for use with electronic glass and ceramic fuses; electric fuse boxes; electrical switches; toggle power switches; drain pan safety switches, namely, cut-out switches; Level switches and level indicators for monitoring and controlling liquids in tanks and vessels; low voltage alligator clips, namely, Electrical power connectors; Pressure switches and sensors for monitoring, controlling, and switching hydraulic or pneumatic systems; electrical terminal blocks and jumpers; terminal kits, composed of terminals for batteries and also including test leads, transformers, wire, wire connectors, and electrical whips; thermostats; batteries; emergency warning lights