7 DYEING MACHINES, DRYING MACHINES, STAMPING MACHINES, RELAXER MACHINES, FILTERING MACHINES FOR THE USE IN MANUFACTURING CHEMICALS, OILS AND FATS, PAINTS, DYE STUFFS, DRINKS, SUGARS, SYNTHETIC FIBERS, MEDICINES AND DRUGS; HEAT EXCHANGERS, PRESSURE VESSELS-NAMELY, CONTAINERS FOR FLUIDS SUBJECTED TO PRESSURE; AND AGITATORS