?????? ??????? ?????? ?????? ??? ??????? ?????. ?????, ?????? ????? ??????, ????????????? ?????? ??? ???????? ?????? ????? ????????? ??? ????? ???? ???? ?????????? ????? ???????????. ?? ????????? ???????? ??? ???? ????? ?? ????? ??? ?????? ????? ??? ??? ????? ??????????? ??? ???? ????????? ???????? ???????:

??????? ????????:?

1. ???????? ?????: ???????? ????? ????????? ??????????? ??? ???, ?? ??? ???????? ???.

?. ry??????? acid??? ????????? ???????: ????????? ??????????? material??????? the??? ??????? ????? ??????? ?????? ?????.

3. ?????? ??????? ????????? ??????: ???????? ??????? ????????????? ?????? ????? (?????? ??? ????????? ???? ???? ??????);

Elect. ?????????-??????? ????? ??? ?????: ????????? ????? ??? ???????? ?????? ??????? ?????????? ????? ????? ???????? ????? ?????.

Metal. ?????? ??? ??????: ?????? ??? ?????? ???????????? ????? ??????? ?????? ???? ??? ???????? ????? ????? ?????. ??????? ??????? ?????? ????? ???????, ?????? ??? ????????? ????? ???? ?????? ????.

????????????? ????????:

1. ??????: ????? ??????? ?????? ????? ????, ????????: ??????? ??????? ???? ?????? ?????? ????.

2. ??????? ?????????: ???????, ?????? ??? ????????? ?????? ?? ??????? ???? ??????? ?????? ?????????? ?????;

Sudden. ????? ????: ?????????? ??????? ????? ??? ???? ??????, ?????? ??????? ????????????? ????? ???????? ??????????, ????? ?????? ????????? ??? ???? ????? ?????? ?????? ???? ???????? ???? ?????? ?????? ?????? ?????, ??? ?? ?????? ?????????? ??? ???? ??????.

Ro. ????? ??????: ?????????? ????? ???? ????? ???? ?????? ??? ?????? ??? ?? ????? ?????? ???????? ????? ????? ????? ????? ???? ???. ???????? ???? ??? ????????? ???????? ???????? ????. ??????? ??????????? ??? ???????? ?????????? ?????? ??? ????.

???? ????????? ????? ??? ????? ???????? ????? ?????? ???, ?? ????? ??? ???? ??? ??? ???!

????? ????, ??? Hu ????? ????? ?????? ?????????? ?????, ??????? ???? ???????, ?????? ??????? ? 1996 1996. ????? ????. ??? ?? ?????????? ????????? ?????????? ?? ???????? ????? ???????? ?????. ?????? 40,000 ???? ???? ??????????? ?????? ???? ???? ??????????, ???????????? ??????????, ?????? ???????? ??????????, ??? ????? ???? ??? ????-???????????? ??????????? ?????? ???? ?????????? ???? ??????? ?????? ?????? ????.