81121200

BERYLIUM UNWROUGHT; POWDERS

81121300

WASTE AND SCRAP OF BERYLIUM

81121900

OTHER BERYLLIUM

81122100

CHROMIUM UNWROUGHT; POWDERS

81122200

WASTE AND SCRAP OF CHROMIUM

81122900

OTHER ARTICLES OF CHROMIUM

81125100

THALLIUM UNWROUGHT; POWDERS

81125200

WASTE AND SCRAP OF THALLIUM

81125900

OTHER ARTICLES OF THALLIUM

81129200

OTHR METALS UNWROUGHT; WASTE&SCRAP; POWDER

81129900

OTHR METALS N.E.S.