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

?? ??? ???????? ????? ???????? ??????? ?????? ??????? ??????? ?? ?????? ???????? ??? ??????? ?????? ?????????? ???? ??? ???????? ????? ?????? ?????? ??? ?????? ??????? ????? ????? ??????? ?????? ??????? ????. ???? ???????? ?? ????????? ??????? ?? ?????? ????????? ???? ?? 10? ?????? ????????? ???????? ??? ??????? ????? ?? ????? ??? ?????? ????? ????????. ??? ????? ???? ???? ??????? ???????? ???? ??????? ????? 100 ???? ?? ??????? ?200rpm? ??? ???????.

????? ?????? ?????? ??????? ????? ??? ?? ????? ????? ????? ?????? ????? ??? ??????? ???? ?????? ??? ??????? ???? ?????? ?????? ??? ???? ??????. ?? ??? ?????? ??? ??????? ?????? ????? ????? ??????? ?? ?????? ?????? ?????. ????? ??????? ??? ?? ???? ???????? ???? ????? ????? ???? ??? ?? 5 ??? ?????? ???? ???? 10MM. ????? ??? ??? 10 ?? ???????? ?????? ????????? ?? 3V? ??? ??????? ???? ????? ????? ????? ?? ????? ??? ????? ??? ?? ??????? ???? ????? 2gm. ?? ????? ??????? ?????? ????????? ??? 4.5 V? ??? ??????? ???? ???? ?? ??????? ??????? ?? ???? ????? ??????? ???? ????? ????? ???? ????? ??????? ?????? . ???????? ?????? ????????? ?? 6V? ??? ???? ????? ?????? ????? ????? ???? ?? ????? ??? ??????? ??? ??????? ????.

????? ????? ?????? ??? 0-10 ????? ???????? ?????? ????????? ?? 4.5V? ??????? ??? ???????? ???? ?? 1000 ??? 200gm? ???? ???? ??? ?????? ??? 10 ??? 12?5 ?????? ???? ???????? ????? ??????? ??? ?????? ???? ???? ??????? ??????? ?? ??????? ?????? ??? ????? ??? ?? 200gm ??? ??????? ?????? . ????????? ?? ?? ?? ??????? ??? ????? ???? ?????? ?????? ?????? ?? ????? ??? ????? ??????? ?????? . ( ??????? ?? ???? )