walk-in coolers, walk-in freezers; pre-assembled, metal, insulated buildings used solely for cooling purposes; and refrigeration systems comprising of one or both of the following - condensers and evaporative air cooling units

WALK-IN COOLERS; WALK-IN FREEZERS; PRE-ASSEMBLED INSULATED BUILDINGS; AND REFRIGERATION SYSTEMS COMPRISING CONDENSOR UNITS AND/OR EVAPORATOR UNITS