?? ????? ????????? ?? ???? ???? ?????? ?????????? ??? ???? ????? ????? ?? ????? ??? ?????? ????? ?????? ?????????. ? ???? ??? ????????? ????? ????? ??? ?????? ?????? ?????? ????? ?????? ? ????? ??????. ????? ???????? ????? ?????? ??? ???? ???? ????? ?? ?????. ???????? ??? ???? ??? ????? ????????? ??? ???????. ?????? ????? PVC: ?????? ????