??????? ??????? ????? ????? ??????? ???? ??????? ?????? ??????? ?????? ?????? ??? ???????. ??????? ??????? ???????? ??????????: ??? ????? ?????? ?????? ????? ????? ????? ??????? ???????? ?????? ?????? (HVAC)? ????? ??????? ?????? ???????? ????????. ???? ??? ?????? ????? ???????? ???????? ??????? ??? ???? ???? ?????? ?? ??? ?????? ?? ????? ????