Do certain occupations pose a special risk for inducing a metal allergy?
Construction workers (masons, concrete workers): chromium, cobalt; miners: chromium, cobalt; electricians, photographers: chromium; aircraft constructors: beryllium; hair dressers, beauticians: nickel, titanium; galvanizers: nickel, chromium, cobalt, mercury; rubber industry: chromium, cobalt; maids: nickel; wood and paper industry: chromium; shoemakers: chromium; painters: chromium, cobalt; metal workers: chromium, nickel, cobalt; textile industry, dentists, dental technicians: nickel, mercury.