? ??????? ???????? ????? ??? ????? ?????? ???????, ??? ??????? ??? ???? ?? ????? ??????? ?? ???????? ??????? ?? ??????????:???????? ?????????????? ???????? ??????????? ? ?????????? ?????, ??????? ??????? ??????? ???????? ??????.A comparatively new advancement is definitely the substitute of wheels or metal crawler-kind tracks with flexible, metal-r… Read More