HGS

Valves of metal, other than parts of machines; Metal hardware, namely, springs; Cotter pins of metal; Pipe coupling of metal; Flanges of metal; Pulleys of metal, other than for machines; Water-pipe valves of metal; Metal pipes; Metal valves not being parts of machines; Bolts of metal; Metal floor panels; Knobs of metal; Collapsible tubes of metal

Pressure reducers as parts of machines; Regulators being parts of machines; Machines for manufacturing semiconductors; Valves being parts of machines; Pressure regulators being parts of machines; Compressors for machines; Pump control valves; Filter housings of metal being parts of machines; Gas distributing plate being parts of apparatus for manufacturing semiconductor