???? ???? ????? - ?????? ???? ????? ????? ?????? ????? ????? ???????, ?? ?? ???????? ????? ??? ?? ??????? ???? ????? ???????? ?? ????????? ???? ?????? ????.
??? ???? ??????????? ?????? ???????? ?????????, ???PSI /???PSI, ???LBS ??? ???lbs ?? ??????? ???. ???? ?" ?? ??" ??????, ??? ????? ?????, ???? ???? ??????. WCB, CF8, CF8M, CF3M, 4A, 5A, 6A ???? ?????? ???????.