Farmers 'demonstration' products at the science market
Attending Techmart 2015, farmer scientists brought rice transplanters without using solar powered engines and boats, pomelos printed with Vietnamese map ... to many peopleThe corn grain separator and creative student
Trinh Van Duc, a student of class 12A5 of Hau Loc 2 and Thanh Hoa high schools, has built a continuous corn seeding machine that saves electricity and releases labor.