??????????????? ?? ??? ??????? ????? ?????? ???????? ??? ?????????????.  ?? ?? ???? ???? ??? ? ?? ??? ?? ??? ????????? ??????????? ??????;• ?????? ????????? ?? ??????? ?????? ???????? ??? ????? ????????? ??? ??? ??? ????. Ammonia is used in numerous industries. Some samples of workers liable to currently being exposed to ammonia involve the fol