?????:??????? ??? ????????? ??????? ????????? ????????? ??????????? ? ????? ????? ?????? ?? ????? ???????? ?????????? ? ??????? ?????? ???????? ?????????? ?????? ????????? ? ??????? ?????????? ????? ??????????? ?????????????. ?? ??? ???????? ? ?????? ???????? ???????? ??? ???????? ????? ??? ??????? ??????????.

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

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

??????? ???: ??????? ??????? 5 ????????????? ????? ?????? ??? ??????????? ??????? ??????? (????????? ????????? ???????????) ??????????? ??????? ??? ??? ????????.

?????????????? ??? ： ??? ? ??? ??????? ???? ??????? ????????? ?????????? ????????? 4.7MM ??? ????? ????? ? ???????? ????????????? ????? ??????????? ????? ?? ???????? ???????? ???????? ? ????? ?????? ?? ???????? ??????????? ????? ?????? ?????.

Natural sand vs Manufactured sand

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

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

2. ????? ????????? ???? ?? ?????? ????????? ???????? ??????? ????? ??????? ????? ?????? ???????? ???????? ??? ??? ??? ???????? ?? ?????? ?????? ?????? ???? ?????? ???????? ???????? ??? ??????????? ?????? ???????? ?????????????? ???????????? ????? ???????? ?????????.

3. ??????? ???????? ???????? ?????? ??? ????????????? ???? ?????? ???????????? ????? ?????? ??????. ????? ????? ??? ???????? ????? ???????? ?? ??????? ????????? ??? ???????? ??????? ????????? ?????? ?????? ???????? ???????? ????? ??????????? ?? ????? ????????? ?????????? ??????????????? ??????? ?? ???????? ????? ????????????? ?????????? ????????? ???????? ?????????? ????????? ?????? ????????.

4. ????? ?????????? ???????????? ?? ??? ???????? ????????? ??? ?????? ?????????? ????? ???????????? ????????????? ????????? ?????????? ?? ??????????? ???????? ?????? ???????? ????????????? ??????.

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

(1) ??? ?????????? ??????

?????? ???????? ?????? ???????? ????????? ??? ????????????? ????? ??????????? ?????? ?????. ?????? ???????? ????????? ??? ????????????? ?????????? ??? ?????????? ???? ???????? ????????? ???????:

1. ?????? ???????? ????????? ??? ????????????? ????? ?????????????? ??? ??????????? ???????? ????? ????????? ?????? ?????? ???????? ?? ???????? ??????? ???????? ??????????? ?????.

2. ???: ????? ????????? ????? ??????????? ?????????? ???????? ???????? ?????? ?????? ?????? ?? ??????????? ??? ???????? ????? ???????? ???????? ????????.

3. ??? ??? ??????? ????????: ??? ?????? ?????? ????? ????????? ???? ??????? ???????? ?????? ??? ???????? ????? ?????????? ?????.

?????? ?????? ?????? ??????? ????? ????????? ??? ????????: ????? ?????? ??????? ????? ???? ??????? ??????? ????????? ??? ??? ???? ????? ???? ???????? ???? ????????? ???????? ????? ????? ??????? ??????? ?????? ????? ?????? ???????????. ?????? ????????? ?????? ???????????? ?? ????????????? ??????? ???.

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

????????? ??? ????????????? ??????? ??????? ????????? ??????????? ???????????: ??? ???? → ??? ??????? → ???????? ??????? → ????? ??????? → ????????? ???????? → ???-??????? ??????????? → ????????? ???. ???????? ????? ????????? ?????? ????? ??? ????????????? ??????? ??? ??? ?????? ??? ????? ????? ??????? ???????? 4.75 ????????????? ????? ??????? ????????? ???? ????????? ??? ?????????????????.

production process of manufactured sand

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

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

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