Point of Sale ???? ?????????? ??? ?????? ?????? ?????? ???????. ??????? Point of Sale ?????????????? ????? ?????????? ?????? , ??????? ??????????, ??????? ????? ???????????? . ????????????????? : ????? ??? ????????? ??????? ???? POS ???? ???? ?????? ?????? ??????????? ????? ?????????????? ?????????????? ??? ???????? ??? ???? POS