Smoke of the trigger process in the production of nodular iron and its possible effects on man.
D002940:Circadian Rhythm; D004391:Dust; D004781:Environmental Exposure; D006801:Humans; D007501:Iron / Q000097:blood; D007854:Lead / Q000097:blood; D008669:Metallurgy; D009784:Occupational Diseases / Q000209:etiology*; D012140:Respiratory Tract Diseases / Q000209:etiology*; D012906:Smoke
D004391:Dust; D012906:Smoke; D007854:Lead; D007501:Iron