Undetermined I suppose.
It really needs someone to be persistent with them and insist on knowing about diacetyl. They might have to be told that it's for inhaling and the worry is lung disease.
Sorry but I can't follow this up.
It really needs someone to be persistent with them and insist on knowing about diacetyl. They might have to be told that it's for inhaling and the worry is lung disease.
Sorry but I can't follow this up.