12 CancerCausing Substances in the Workplace and Community
Mar 26, 2012· 12 CancerCausing Substances in the Workplace and Community. ... Welders while welding stainless steel, machine and press operators, machinists, and pipefitters. ... a possible carcinogen, is a silverlike, hard metal or grey powder. Nickel compounds, known carcinogens, tend to be green to black, but yellow when heated.