???? ???? ????? ?? ???? ?????? ???? ?? ????. ??????? PVC ????? ?????? ???? ??????? ??????? ??????, ????? ????? ???? ?????. ?? ?????? ?????? , ?????? ??? ??? ?????? ?????. ??? ????? ??????? ??????? , ?????? ?? ?-PVC ????? ???? ????? . ???? ?????? ? PVC - ????????? ???? ???? ????? ?????? ????, ???