The rubber industry.
D002273:Carcinogens; D002617:Chemical Industry; D055598:Chemical Phenomena; D002621:Chemistry; D006801:Humans; D008175:Lung Neoplasms / Q000139:chemically induced; D009369:Neoplasms / Q000139:chemically induced; D009603:Nitroso Compounds / Q000009:adverse effects; D009784:Occupational Diseases / Q000139:chemically induced; D012120:Respiration Disorders / Q000139:chemically induced; D012408:Rubber / Q000009:adverse effects*; D001749:Urinary Bladder Neoplasms / Q000139:chemically induced
D002273:Carcinogens; D009603:Nitroso Compounds; D012408:Rubber