31 FILTER MACHINES FOR EDIBLE FATS AND OILS, AND REPLACEMENT PARTS THEREFOR COMPRISING MOTORS, PUMPS, FILTER PLATES, FILTER PLATE BY-PASS ASSEMBLIES, TANKS, DOLLEYS AND HOSING; FILTER PAPER; FILTER TANKS, AND DOLLEYS AND LINERS THEREFOR; AND FILTER AID MATERIAL IN THE FORM OF DIATOMACEOUS EARTH