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1. ?????? ??? ????, ??????? ???? ??? ????? ????, ???? ??? ???? ??? ????, ??????? ???? ??? ????? ???? ?? ??? ???? ???? ???? ?????.
2. ??? ???? ??? ???, ???? ??? ??? ???? ???? ???, ?????-??? ???? ???? ???, ?????-???? ??? ??? ???? ???? ???, ????-??? ???? ???? ??? ?? ???? ???? ???? ???? ??? ?????.
3. ?????? ???? ??????-??? ????? ???? ???? ???,????? ???? ???? ???, ????? ??? ??? ??? ???.
4. ??? ??? ?????, ??? ?????? ???: ?? ???? ???? ????, ??? ???? ???? ???? ???? ?? ??? ??? ???? ???? ????.
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1. ???? ??? ??? ??????-???? ??? ??? ??? ???, ??????? ??? ??? ??? ????, ?? ????? ??? ??? ????, ???? ??? ??? ??? ????.
2. ?????? ???? ??????-??? ????? ???? ???? ??? ????,????? ???? ???? ??? ???, ??? ???? ????? ??? ??? ???? (3) ?????? ??: ?? ??? ??? ????, ??? ???? ??? ??? ????, ?? submersible ??? ??? ???? ??? ????? ????.