7 MACHINES WHICH DISPENSE ALL PURPOSE CLEANING PREPARATIONS, DEGREASING PREPARATIONS AND PAINT STRIPPING AND REMOVING COMPOSITIONS; MACHINES COMPOSED OF HOSE AND NOZZLE FOR EMITTING AIR, WATER AND ALL PURPOSE CLEANING, DEGREASING AND PAINT STRIPPING PREPARATIONS; VALVE CONTROLLERS AND PARTS THEREFOR SOLD AS A UNIT WITH THE ABOVE; CONTAINMENT SYSTEMS COMPOSED OF CONTAINER UNITS AND WASTE HANDLING DEVICES