7 MACHINERY FOR THE MANUFACTURE OF FINE CERAMIC, COARSE CERAMIC, SANITARY CERAMIC, CERAMIC OXIDE, AND ELECTRO-CERAMIC WARE AND CERAMIC TILE; FILTER PRESSES FOR INDUSTRIAL SANITARY WASTES; WORM GEAR, PISON, MEMBRANE PUMPS; BOTTLING MACHINES; PULVERIZING MACHINES; DRESSING MACHINES FOR SLAUGHTER HOUSES; MACHINES FOR PLANTS PREPARING PIG FEED AND FOR SUGAR FACTORIES; GRINDING MACHINES, ESPECIALLY BALL MILLS; AUTOMATIC WASHING MACHINES FOR LABORATORY AND MEDICAL GLASSWARE AND FOR ANIMAL CAGES