inorganic exposure mainly are made of oxygen / electron / space / antinitrogen
exposure_to_gaseous_perfluoroisobutene is exposure_to_perfluoroisobutene. oxygen is not inorganic_substance. exposure_to_liquid_perfluoroisobutene is exposure_to_perfluoroisobutene. oxygen is inorganic_substance. io is inorganic_substance. inorganic_substance is inanimate_object. exposure_to_gaseous_perfluoroisobutene is not exposure_to_perfluoroisobutene. exposure_to_liquid_phosgene is exposure_to_phosgene. io2 is inorganic_substance. inorganic_substance is not inanimate_object.