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- 4. ?? ????? ?????? ?????? ?????? ??????? ??????????. ????? ????????? ?????? ??????????????????? ?????, ????? ?????? 25°C ???? ???? ????????? ???? ?????? ??? ???????? ????????? ???? ???? ?????? ????. ?????? ?????? ?????? ??????? ?????? ????? ??? ??? ???? ??? ????? ??? ?????? ????, ???????? ??????? ??????????? ?????.
- 5. ?????? ?????????? ??????? ??????? ???????? ?????? ???? ??? 40% ?????. ???????? ???? 40% ?????? ????? ??? ????.
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