Chromium plating.
D002617:Chemical Industry; D002857:Chromium / Q000009:adverse effects*; D009783:Dermatitis, Occupational / Q000139:chemically induced* / Q000517:prevention & control; D004572:Electrolysis; D006801:Humans; D009668:Nose Diseases / Q000517:prevention & control; D011481:Protective Clothing; D012883:Skin Ulcer / Q000139:chemically induced* / Q000517:prevention & control; D014691:Ventilation
D002857:Chromium