??????? ?? ???? ????????? ???? ????? ???? ????? ???????? ???? ?? ????????? ????? ???? ????? ?????? ?? ???? ?????? ??????? ????? ????? ??? ?????? ??? ?????? ???? ???:?????: ???????? ??????? ?? ?????? ?? ????? ??? ?????????. ????????? ???? ???????? ???? ???????.Portland Condition College scientists reported in 2015 that vapor products and solutions