ALLEGHENY

process equipment and systems in the nature of machines and machine parts, namely, pickling tanks, pickling tank covers, plating tanks, phosphating tanks, surface treatment plants for cleaning, pickling, plating, coating, etching, rinsing and scrubbing the surface of materials, material handling machines for surface treatment plants, fumeless wire cleaning machines, industrial drain valves for such machines, and cleaning machines for removing oxides, oils, soaps, drawing lubricants, scale and other surface contaminants

ventilation and cleaning apparatus, namely, fume exhaust ductwork, exhaust stacks, fume hoods, gas and fume scrubbers and vibrators, and water treatment plants for treating industrial waste water by neutralizing and removing solids from the water

plastic construction components for process equipment and systems, namely, panels, sheets, fitted trench linings, fitted floor linings, fitted pit linings, ducts and custom fabricated structural members of plastic