7 MACHINES FOR CONCHING, GRINDING AND MIXING ESPECIALLY COCOA, CHOCOLATE, EDIBLE NUTS AND OTHER VEGETAL SUBSTANCES; PUMPS FOR VISCOUS FLUIDS; CHEESE MELTING MACHINES; MACHINES AND PARTS THEREFOR FOR PRODUCTION AND PROCESSING IN THE CHEMICAL INDUSTRY; AND MACHINES FOR THE AUTOMATED PROCESSING OF CHOCOLATE AND EDIBLE COATINGS COMPRISING GRINDERS, VIBRATOR SCREENS, PUMPS, AND STORAGE AND COLLECTION TANKS