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?4.75 ????? ??? ??? ???? ?????? ??? ?? ???? ?? ????? ?????? ?????? ???? ????? ???? ??? ?????? ???? ??? ??????? ??? ???? ???? ????? ????? ??? ???? ?????? ????? ??? ???? ??? ????? ???? ????? ??? ??? ?75 ????? ??? ??? ???? ????? ???? ??? ?????

???? ????? ??? ??? ??? ????? ??? ??? ??? ????? ??? ???? ???? ????? ????? ??? ????

Artificial sand
sand making plant
machine-made sand

???? ???? ??? ??? ??? ????? ??? ??? ?????

?? ???? ????? ??? ????? ??? ??? ?????? ????? ???? ????? ?? ??????? ????? ???? ??? ???? ?? ??? ??? ?????? ?????

(2) ????? ?????- ????? ??? ????? ???? ????? ??? ??? ??? ????? ??? ???? ?????? ?? ????? ??? ??? ?????? ??????? ?? ???? ????? ??? ???? ???? ??? ?? ?????? ????? ??? ???? ????? ???? ?????? ?????? ????? ???

(3) ????? ?? ?? ???? ????? ???? ????? ??? ????? ??????? ???? ????? ??? ???? ???? ?????? ??? ??? ??? ???? ???? ????? ??? ?? ???? ????? ??? ??? ????? ????? ??? ????? ?? ???? ????? ???? ?????? ?? ?????? ????? ?? ???? ????? ?????

(4) ???? ????- ???? ????? ?? ?? ???? ?? ???? ??? ???? ????? ????? ??? ???? ????? ??? ???? ????? ????? ????? ???? ????? ?? ??? ???? ????? ??? ?????? ????? ??? ????? ??? ?? ??? ???? ????? ???????

???? ???? ???? ????? ??? ????? ??? ????

1, ??????

???? ???????? ??????? ?????? ??? ?? ?????? ??????? ??? ??? ?? ?? ?????? ????? ???????? ?????? ??? ??????? ???? ?????? ??? ?? ???? ????? ???? ??? ?????...

2. **???? ???**

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3. **??? ???? ?? ?????? ???**

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(1) ??? ???? ???- ????? ??? ???? ??? ??? ??? ???? ?? ????? ????? ?5 ????? ??? ???? ??? ???? ???? ???? ?? ????? ??? ???? ?????? ??? ????? ??? ???? ?????? ????? ??? ??? ????? ??? ??? ???? ??? ????? ????? ???? ???? ?????? ???? ????? ??????

(2) ???? ???? ???: ??? ??? ??????? ??? ??? ???? ????? ????- ????-?????? ????-????? ?????-???? ???? ???? ????? ??? ???? ??? ??? ??? ????? ??? ?????? ??? ?? ????? ????? ???? ??? ???? ?? ??? ???? ??? ?????-????? ???? ???? ????? ??? ???? ??? ??? ??? ????? ??? ???? ??? ???? ???? ??? ????? ????? ???? ????? ????? ???? ??? ????? ???? ????? ?????

(3) ???? ????- ???? ???? ???? ???? ??? ???? ???? ??? ??? ????? ????? ???? ??????

(4) ??? ??? ???- ?? ??? ??? ??? ??? ?? ??? ????? ????? ??? ???? ?? ????? ???? ???? ????? ?5 ????? ??? ???? ???? ?????? ?5 ????? ??? ??? ??? ???? ???? ???? ?? ????? ??? ??? ????? ??? ????? ??? ???? ??????

(5) ???? ??? ??????- ????? ???? ?? ??? ??? ??????? ??? ??????? ???? ??? ?? ???? ????? ?????? ???? ????? ???? ??? ??? ???? ??? ?????

??? ?????? ???? ???? ??? ??? ????? ??? ??? ? 10-15% ????? ?????