???? ???? ?????? ???????? ?? ???? ???? ???? ???????:
(1) ????? ?????????
????? ?????? ??? ???? ????, ?????, ?????, ?????, ???????, ???? ??? ??? '. ????????? ???? ?????, ???? ??????, ?? ???? ?????. ??? ????? ?????? ????? ???????.
????? ?????????? ???????? ????? (???? ???? ???? ???????) ????? ???? ???? ???? ?? ??????? ????? ?? ?????? ???? ???? ????? ?????????.
???? ??????? ??????? ?? ???? ?????????:
????? ???: ???? ????? ???? ????, ?? ??????, ?? ?????? ??????? ????? ????? ?????, ????? ???? ?????? ????? ?????? ?????? ???????? ????.
???????: ??? ????? ????????? ?? ?????????, ??????? ???????? ???????????? ?????? ???? ??? Al2O3 (?????? ?????????) ?? ??? ????????? ??????? ?????????. ???? ?????? ?? ???????? ??????? ???? ????, ?????, ????? ??????? ???? ?????.
????? ???? ???????, ????? ?? ???? ?????, ????? ?????????, ?????? ?????, ????? ????, ???? ????? ????, ???? ?????? ????????, ???? MP3, ????? ??????? ??? ?????, ???? ??????? ????, ???? ????? ??????? ????, ????? ?????, ???? ????? ????? ?? ????? ?????? ?????????.
(2) ????? ???????
????? ?????? ??? ???? ?????, ????? ?? ?????. ?? ?????? ????? ?? ?????. ?? ?? ??????? ?? ????? ?????? ?????? ???? ????? ???. ?????, ??? ????? ?????? ???? ??????, ??? ???? ??? ??????. ??? ???????? ??? ???? ?????, ????? ???????, ???? ?? ???? ????? ????? ??????? ????????. ???? ??????? ????, ????? ???? ?????? ???
????? ?? ??????? ?????????? ???????? ?????? ???? ???? ??? ????? ???? ???? ????. ??? ???? ????? ???? ?????. ?????? ????? ???? ?????? ???? ??????? ????????? ?? ?????? ??????? ????.
???? ??????? ??????? ?? ???? ???????:
????? ??????????: ????? ?????? ??????????? ?????? ???? ??? ???? ????? ??????, ???? ????? ????? ?????, ????? ?????? ?????, ???????, ??????? ???, ?????? ???? ??????? ?????? ????????.
????? ???????:
???? ???? ???? ?????? ???? ??????? ????. ?????? ????? ???? ??? ???? ?- 5C. ????? ????? ???? ???? ?????? ????? ??????! ????? ???? ?????? ?????? ????? 5C ?????. ???? ?? ?? ???? ????? ?? ?? ?????? ????? ??? ?? ????? ???? ????. ????? ????, ??????? ????? ?????? ????? ????; ?????? ???? ????????? ????? ???? ?? ?????? ???? ???? ?? ????????? ????? ???? ?? ????? ??? ????!
