6 METAL CANS SOLD EMPTY, METAL AEROSOL CANS SOLD EMPTY FOR INDUSTRIAL, COMMERCIAL AND DOMESTIC USE, REFILLABLE METAL CANS SOLD EMPTY FOR INDUSTRIAL, COMMERCIAL AND DOMESTIC USE; MANUALLY OPERATED METAL DISPENSING, FILLING AND DRAINING VALVES; METAL PRESSURE TUBES AS PARTS OF METAL CANS AND SOLD SEPARATELY