Masana'antu exhaust gas sarrafawa da daban-daban sha hanyoyin dangane da exhaust gas tushen da kuma gurɓataccen abubuwa iri, ban da halitta deodorant na'urorin, kuma za a iya amfani da sinadarai hanyoyin cire wari don cimma tsarkakewa manufa. Musamman, gas mai ƙanshi mai sinadarai daga masana'antun sinadarai, masana'antun bushewa, dakunan sarrafa zafi da sauran wurare ba kawai yana da ƙanshi mai motsawa ba, har ma yana haɗari ga lafiyar jiki bayan da jikin mutum ya numsa shi.