23 [ PAPER MAKING MACHINES-NAMELY, DIGESTERS, REFINERS, AND BLEACHING MACHINES, BAMBOO PULP PROCESSING MACHINERY, APPARATUS FOR SUGAR PLANTS-NAMELY, JUICE EXTRACTORS AND CLARIFIERS AND PARTS THEREOF, POLYVINYL CHLORIDE PROCESSING MACHINERY-NAMELY, MIXING MACHINES, MOLDING MACHINES, SPINNING MACHINES AND PARTS THEREOF, ] PRESSES-NAMELY, MACHINE, OIL, AND FORGING PRESSES, [ IRON AND STEEL MANUFACTURING MACHINERY-NAMELY, SINTERING, COOLING, PELLETIZING MACHINES AND PARTS THEREOF, PUMPS FOR HEATING AND COOLING UNITS, AND PARTS THEREOF, FOOD PROCESSING MACHINERY AND PARTS THEREOF, ] BUILDING MACHINERY-NAMELY, TUNNEL DIGGING MACHINERY AND PARTS THEREOF, [ CRANES, DIE CASTING MACHINES AND PARTS THEREOF, AGRICULTURAL TRACTORS AND PARTS THEREOF, ] DIESEL AND STEAM ENGINES AND PARTS THEREOF