以前政府啲防火廣告，成日教人用斗零踭打碎塊玻璃去撳警鐘掣，可能近年俾人投訴得多先至改咗教人用鎖匙去壓碎塊玻璃。
In the past, the government always taught people to use half a dime and broken glass to press the alarm bell switch, but in recent years, people have complained a lot about teaching people to use a key to crush a piece of glass.