Khi can mo khoa, ban se dat ngon tay len tren be mat cam bien van tay. He thong khoa se lap tuc quet hinh anh van tay va xac thuc va neu xac thuc thanh cong thi cua se mo. Do can giam nhan cong de thuc hien http://zanderxfkqv.blue-blogs.com/7042319/cửa-inox-airblower