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