เสียงที่ใช้ร่วมกัน

“If you get lost in a building… follow EXIT signs. They’re designed to lead you out fast. These could save your life so listen up.” “If a lift stops suddenly… don’t try to force the doors open it could make things worse.” “If you smell burnt plastic… unplug quickly unplug devices nearby.” “If a room fills with smoke… stay low and crawl out.” “If your lost whilst hiking follow a river downstream to guide you down.” “Did you know any of these?”