9 CENTRAL VACUUMING SYSTEM, SOLD AS A UNIT, COMPOSED OF A CENTRAL VACUUM UNIT, HOSES, WANDS, NOZZLES, BRUSHES, CREVICE TOOLS, FILTER CONES, INLETS, HOSE HOLDERS, ACCESSORY HOLDERS, FELT PADS, ELECTRIC POWER NOZZLES, CONE CONNECTORS, PIPING AND TUBING AND PARTS THEREFOR, FOR DOMESTIC AND/OR INDUSTRIAL USE