Paint or varnish, oil-based
Plate metal with cadmium
Plate metal with chromium
Plate metal with nickel
Plow, dig, or excavate soil in endemic area
Prepare fruit salad using a solution of enzymes (pectinase and glucanase)
Prepare, card, or spin natural vegetable fibers (a heavy exposure)
Produce chromium alloys or chromate pigments
Produce nacre buttons from mollusc shells
Produce silk (sericulture)
Produced rubber with long-term exposure to high concentrations of curing fumes