7 Liquid and vapour recovery machines; refrigerant recovery units, namely, machines for the recovery of refrigerants from HVAC-R apparatus, equipment and installations, hydrocarbon recovery units, namely, machines for the recovery of hydrocarbon liquids and gases from HVAC-R apparatus, equipment and installations, gas recovery units, namely, machines for use in the recovery of gases from sealed systems; ball valves being parts of machines; machine parts, namely, couplers; welding torches, namely, brazing and soldering torches; gas manifolds for use with HVAC-R systems, namely, charging manifolds for refrigerators, chillers, and freezers; compressors, compressing machines; valves being parts of machines; hose adaptors being parts of machines for use in HVAC-R machines and couplings for machines; filters for use in HVAC-R machines; power tools, namely, drills, routers, circular saws; electric hand tools, namely, electric hammers, electric hand drills, electrical drill attachments; power hammers, power-operated saws, circular saws; power-operated staple guns; milling cutters for milling machines; punches in the nature of punching presses for metal working; stampers in the nature of stamping presses and automatic stamping machines; electricity generators; gas-operated welding apparatus, electric welding machines, gas-operated welding torches, namely, blow torches, namely, gas operated cutting torches; electric sanders, power-operated polishers and electrically-operated brushes being parts of machines; filters for motors and engines, filtering machines for chemical processing; electric pumps, vacuum pumps, water pumps for the removal of condensate from HVAC-R systems and pump impellers; die-cutting and nut-tapping machines; drill stands being parts of drilling machines, power tools, namely, hammer drills, power tools, namely, drill presses, drilling machines; guides for machines in the nature of power tool accessories, namely, cutting guides, flaring guides for metal pipes and swaging guides for metal pipes; power drilling bits, drill chucks for power drills; structural parts and fittings for all the aforesaid goods