?????? ????????? ?????:
????? ????? ???? ???? ??? ?????????? ??????? ?????????? ????? ????????? ?????? ??? ???? ????????? ?????? ???? ???? ??? ?? ????? ???????? ??????????? ??? ????? ??????????? ???????? ???? ???????? ??? ????????? ??????? ???? ????????? ????
?????? ????????? ??????:
?????? ???????? ??????: ???? ????? ??????? ?????? (PE) ?? ???????? ???? ???? ?????? ???? ????? ??? ???? ???????? ????? ?? ????? ?????? ???? ??? ?????? ??????? ?????????? ???? ???, ?? ????? ??? ????? ???, ?? ?????? ?? ??? ???? ??????
?????? ??????????: ?? ??????? ???????? ??? ???? ??????? ?????????? ??????? ??? ???? ???? ??? ????? ?????? ???? ??? ??????? ???? ???? ??? ???, ?? ????? ???? ??? ??????? ?????? ????
?????? ?????????:
???? ??????????: ???????? ??????? ??????? ??? ????? ????????? ?????????? ????????? ???, ?????? ???????? ?????? ??? ??????? ???????? ????????
???? ?????? ???: ??? ???? ???? ????? ??????? ???, ??% ??? ???? ?????? ????, ??????? ????? ??? ?????? ????? ???? ??? ???? ???? ????????? ??????? ?????? ????
?????? ????????: ??????? ?urable ??? ???????? ????? ???????? ????????? ???????? ???? ??????? ???????? ????
???????????: ????? ??????????? ?????? ?????? ???, ?? ??????? ???? ????? ????????? ??????????? ?????? ???? ????? ????
?????? ??????: ??????????????? ?????? ???? ????, ????? ????? ?????? ?????? ??? ???????????????, ?? ???????? ?????? ??????
???: ????, ????? ??? ?? ???????? ??????????? ??? ???? ???? ??? ????????? ????????? ???????? ???? ??? ?????
