．The elderly, pregnant women, the disabled, and passengers with strollers or bulky packages are advised to take the elevator. ．Do not push baby strollers, trolleys, or big luggage onto the escalator. ．Check the direction of the escalator before stepping onto it. ．Hold the handrail and step firmly onto the escalator. ．Keep your feet, clothing and rubber shoes clear of escalator steps. ．Do not play or run on the escalator. ．Do not sit on the step or handrail. ．Do not lean against the side of the escalator. ．In case of emergency, press the emergency stop button to stop the escalator. ．Once you step off the escalator, move away promptly to avoid obstructing others. ．Do not block the escalator landing. ．Keep close watch on accompanying children.