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