???? ?????? ??????? ???????
?????????, ????? ???, ?????????, ???? ??????? ??? ??????, ????? ????? CaCO3 ??? ????? ?????? ???? ????? ?????? ???? 3 ??, ??? ? ??????
?????? ??????? ??????????????????, ????? ???, ?????????, ???? ??????? ??? ??????, ????? ????? CaCO3 ??? ????? ?????? ???? ????? ?????? ???? 3 ??, ??? ? ??????
?????? ??????? ?????????

???????? ???????? ????????????? ???? ??????? ??????? ????? ????????? ???????? ? ? ??????????? ????????? ????? ???? ????????? ????? ??
?? ?????
???????? ?????? ??????? ???????? ??????? ????? ???? ?? ?????? ???? ????? ????????? ???? ???????, ???? ???????? ??????? ?????? ?? ?????? ????, ???? ??????? ????????? ?????? ??????? ????? ??? ??? ???? ???????? ????? ????????
?? ?????????? ???? ???? ?????????, ? ???? ??????? ???? ??? ??????????? ???? ???? ??????? ???? ????? ???, ????? ??????, ????????? ?????? ?? ????????? ???? ?????? ???? ???? ???????? ??????? ????? ??????? ?????????