?????? ???????? ??????? ??????? ???????? ?????? ???????????? ? ?????????? a Concentrated ???? ?????? WFH ?????? ?????? ????????????? ??? ??????????????: ????? ???? so many solutions ????????, ????????? ?????????????? ????? ????? ????? ??????????? ??????????? ???????? a ????????? ???? ??????? ??? a ?????????? ????? ?????????????? ?????????? ?? ?????