PVC fabrication can be a health hazard, too.
D004781:Environmental Exposure; D004787:Environmental Pollution / Q000517:prevention & control; D006801:Humans; D009787:Occupational Medicine; D011143:Polyvinyl Chloride / Q000506:poisoning*; D011145:Polyvinyls / Q000506:poisoning*; D014691:Ventilation
D011145:Polyvinyls; D011143:Polyvinyl Chloride