???????：????????? ???? ??????? ?????? ????????? ??????? ???????? ???? ??, ????? ????? ??????? ?? ????? ???? ???? ????????? ???? ?? ??? ???? ?????? ????? ???, ?? ??????????? ?????? ?? ???????? ?????? ????? ?????. ??? ???????? ??, ??????? ????? ???? ?? ???? ??? ???? ???, ?? ?????? ??? ?????? ??.

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

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

?????????? ??????: ???????? ???????? (??????? ?????? ???? ?????? ???? ?????) ????? ???????? ??, 5mm ? ??? ??? ????? ????????? ???????? ???? ???? ??? ????, ???????? ???? ??????.

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

Natural sand vs Manufactured sand

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

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

2. ??? ??? ?? ??????, ?? ??????????? ?????? ??? ?????? ???, ???????????? ???? ??. ?????, ?????? ?????? ???? ?? ??? ?? ?????? ???? ????? ???? ??? ???? ??????. ?? ???? ??????????? ???? ?? ??? ?????, ???????? ???? ????????? ???????? ??? ?????? ??????? ??.

3. ????????? ?????? ?? ???? ????? ?????? ???????? ???????? ??????? ?????? ????? ???? ???? ??????? ??. ? ???, ??? ??????? ???? ?? ???? ????????, ?????? ??????? ??????? ???????? ????? ???? ??????? ??? ?? ??? ??? ??????? ????? ???????? ????? ?? ????????? ?????? ?? ?????? ?????????? ????? ?? ???? ?.

4. ?????? ??????? ???? ?? ?????? ??? ??, ????? ???????? ??? ?????? ???? ??? ?? ????????? ??? ??????????? ?????? ???? ???????? ???????? ???? ??? ??? ????? ?? ????? ?????????? ????????? ???????????? ??? ?? ?????.

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

(1) ???? ????????選択

?????? ???????? ?????????? ???????? ???? ????????? ????? ???? ?????? ?? ?????. ?????????? ???? ????????? ????????, ???????? ???? ??????? ???????? ????, ?????:

1. ????????? ???? ????????? ???? ?????? ??? ???????? ?? ????????? ?????? ?????? ??????? ???????? ??? ???, ?? ???????? ?? ??????? ??? ????????? ??????? ???????????????? ??? ?????? ?? ?????? ???, ??? ????????? ???? ?????? ??????? ??????, ????????, ???? ?? ???? ???? ?????? ???????? ?????? ?? ?????.

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

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

????????? ???? ????????? ???? ???? ???????????: ??? ?????, ??? ???, ??????????, ???????, ???????????, ??? ????, ?????????????, ???????, ???, ???????, ????????, ??? ?????; ????????? ??????????, ???????????, ?????? ??? ?????????? ????. ??? ????? ???? ?????? ?? ??????? ???????? ????.

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

??????? ????? ???? ?? ???? ???????? ??????????? ?????? ??? ????? ??? ????? ?????: ????? ??? → ??? ????? → ????...

production process of manufactured sand

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

??? ????? ???? ?????? ?????? ????, ???? ????? ?????? ??????????? "???????- ?????? ???? ????? ?????", "????- ?????? ???? ????? ?????" ?? "????-???? ???? ????? ?????" ??????? ???? ????? ???; ??????????? ????, "???? ?? ???? ????? ?????" ?? "???? ???? ????? ?????" ??? ???? ????? ???; ?????? ????, "???? ?????? ???? ????? ?????" ?? "???? ???? ???? ????? ?????" ??? ???? ????? ???.

???????- ?????? ???? ????? ????? ??????? ?????? ??? ???? ?? ????? ???? ??? ?????? ??? ?????????? ???????? ???? ?????? ??, ???? ????????? ????????? ??? ??? ????? ???? ??????? ??, ????? ???? ???? ????? ????? ?? ????? ???????????.