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???? ???? ??????????? ??? ??????? ???????? ???????? ?????? ????? ?????? ????? ?????? ????? ??????? ????? ?? ????????? ????????. ???????? ??????? ???????? ?????? ?? ???? ????? ??????? ??????? ??? ?????? ?????? ????????? ?? ????? ????????? ??? ????? ?????? ??????? ?????? ?????? ??????? ???????? ?????? ??????. ????? ?????? ?????? ??????? ????? ??? ???? ?????? ??????? ??????? ?? ???? ??????? ?? ???????. ??? ??? ???? ??????? PTFE ????? ???? ???? ?? ?????? ?????? ???????. ?? ??? ????? ??? ??? 600 WOG (???? ???? ???)? ??? ???????? ??????? ???????? ????? ????? ????? ????? ??????? ??? ???? ????? ??????? ????? ?????. ????? ???????? ??????? ???????? ?????? ?????? ????? ??????? ????? ??????? ?????? ??????? ???????? ???????. ?? ??????? ??? ?????? ???? ???????? ????? ???? ??????????? ??? ??????? ???????? ???????? ?????? ?????? ????? ?????? ????? ?????? ???? ???? ?????? ???????.