23 [ ROTARY PUMPS, RECIPROCATING PUMPS, ] JET PUMPS, [ VACUUM PUMPS, ] SUBMERSIBLE PUMPS, CENTRIFUGAL PUMPS, VERTICAL SUMP PUMPS, SUBMERSIBLE SUMP PUMPS, [ CHEMICAL FEED PUMPS, WATER SOFTENERS, CHEMICAL FEEDERS, AND PARTS THEREOF; ] WATER PUMPING SYSTEMS COMPRISING PUMPS, STORAGE TANKS, GAUGES, CONTROLS AND CONNECTIONS THEREFOR, AND PARTS THEREOF; [ WATER CONDITIONING SYSTEMS COMPRISING IN VARYING COMBINATIONS WATER SOFTENERS, FILTERS, CHEMICAL FEED PUMPS, CHEMICAL FEEDERS AND CONNECTIONS THEREFOR, AND PARTS THEREOF; MOBILE AND STATIONARY WASTE PUMP-OUT SYSTEMS COMPRISING PUMPS, RECEIVER TANKS AND CONNECTIONS THEREFOR, AND PARTS THEREOF; MOBILE MILK TRANSFER SYSTEMS COMPRISING RECEIVER TANKS, PUMPS, FILTERS AND CONNECTIONS THEREFOR, AND PARTS THEREOF; AND MILKING SYSTEMS COMPRISING MILKING MACHINES, MILK RECEIVERS, INFLATIONS, MILK WEIGHING APPARATUS, VACUUM PUMPS, PULSATORS, MILK PUMPS, MILKHOUSE PANELS, MILKHOUSE FURNISHINGS, PIPELINE WASHERS, PIPELINE DRYERS, SOLD IN VARYING COMBINATIONS AS A UNIT AND SEPARATELY, AND PARTS THEREOF ]