(1) ??????, ?? ?????????? ???????? ??? ??????? ?????plates ??????? ???? ?? ???? ??? ????? ??? ????? ?? ?????????? ??????????? ????? ?? ?????, ????????, ???????, ??? ????????????, ??? ?????? ??????? ??? ?? ????????? ?????????????? ????? ??????, ?????? ???????? ?? желан?
(2) ?????????? ??? ??????????? ?????? ?? ?????????? ??????????? (???? ???????? ??? ??????? ???????????), ???????????? ?????? ?? ??? ???????????. ?? ?? ?????????? ????? ?????????? ????? ??????? ????-?????? ??? ?????-?????? ????? ??????? ??? ????????. 60-70% ??? ??? ????? ? ???
(3) ?? ???, ????????, ???????? ??????, ??????????? ???? ??? ?????????????, ????? ????? ??? ????????, ???? ??? ?????????, ?????? ????? ??? ????????? ???? ?????? ??? ???????? ??? ??????????? ?????????? ????? ???? ??????????. ?? ????? ???? ?? ??????? ????? ??? ?????????? ???????