????? ?? ??????? ???????? ??????????, ? ??????? ??? ??????? ???? ??? ???????. ???? ??? ????????? ??? ??????? ??????????? ???? ???????, ?? ????????? ??????? ?? ???????????? ?? ??? ?????.?? ???????? ??? ?? ???????????? ???????? ????????? ??? ??????? ?????????? ????????????? ??????.Guest-blogging consists of producing an report for which no charge is