In ensuring the safe use of electrically operated sliding gates , sliding glass doors and rolling shutters , emsd administers and maintains a code of practice and safety guidelines for these activities in hong kong 為促進安全使用電閘、電動玻璃門及電動卷閘,機電工程署負責(zé)推行本港這方面的實務(wù)守則及安全指引。