????? ????
- ????:???, ??? ???? ??? ???
- ????? ????:?-???????
- ?????? ????:0-5 ????, 5-15 ????, 15-31.5 ????
- ??????? ????:???? ????? aggregates ??? ???????? ????




???? ???????? ??????????????? ??????? ???? ??? ??????? ??? ???? ???, ??? ???? ???????? ?????? ???????
???? ?????? ????????????????? ?????? ????? ??????? 800 ?? ??????? ??????? ????? ??????? ???????? ??????? ???????? ??????? ???????
??????? ?????????????????? ????????? ????? ??????? ????? ??? ?? ???????? ????? ??? 10%-20% ????? ??????? ???; ???????, ????????? ?????????? ?????????? ????????? ??????? 80% ???????? ???????? ??? ??? ???? ??? ?????
?????? ?????? ????? ??????? ??????? ???????????? ???????, ???????? ???? ??????? ???????????? ????? ??? ????