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??? ?? ?? ????? ????, ?????? ?? ???-??????? ??????? ?? ????? ???????, ??? ??????? ????? ???? ??,???????????????? ?????? ?????? ??? ???

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01 ???? ?????? ?? pH ???? ????, ???????? ?? ??? ???? ?????? ????????? ?????? ??? ??????? ?????. ???? ????? ??? ???? ????? ???? ??? ?? ????? ????? ??, ??? ?? ????? ???? ??? ???? ??? ???? ???? ???? ?????, ?? ?? ????? ??? ??????? ???? ???? ?????? ?? ??? ??????? ????? ???? ??? pH ???? ??? ???? ???? ?? ???? ???

02 ???????? ????? ??? ???? ??????? ???? ????????? ??? ???-??? ???????? ??????? ?? ????, ????? ??? ??? ???? ???? ??? ???? ???? ??, ??? ???? ??? ???? ??????? ?? ?????? ??????? ????? ?? ??????, ???, ?????????, ??? ??? '?? ??? ?????? ???? ??????

03 ????????, ??? ?????? ??? ???? ????? ????? ?? ???? ??? ???? ????, ??? ??? ?? ??? ?? ????? ????? ??????? ??? ??????? ?????? '?? ????? ??? ???? ??????? ?? ????? ??? ??? ????? ???? ???? ??? ?? ?????? ??? ??? ??? ???? ??? ??? ???

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05 ???? ???? ????????????????? ???? ?? ????? ?????? ???????? ???? ??? ?????? ??? ????? ???? ??????, ??? ??? ????? ???? ?? ???? ??? ?? ?????? ?? ???????

06 ???????? ??? ??? ???? ??????? ?? ??? ?????? ?????????? ?? ??????? ?? ???? ???

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????????, ????? ?? ???????, ??? ???? ??? ???, ?? ?????-???? ?????? ??? ????? ?? ?? ?????? ????? ????? ???? ??, ??? ??????? ??? ????? ????? ???

09 ????? ??????? ???? ????????? ???, ???? ??? ??? ???????? ??? ?????????????????? ??? ???? ????? ?? ???? ???

10 ???? ???? ?????? ???????? ???? ??????? ???? ?????? ????? ??, ?? ?? ????? ???? ????? ?? ????? ??? ???? ???? ????? ???? ?? ?????? ???? ????? ?? ???? ???

11 ???????? ???????? ?? ???? ???, ???, ?????, ???????? ??? ?? ?????? ????? ??? ??????? ??? ?????, ???? ??? ?????? ??? ???? ????? '?? ?????? ?????? ????? ???