I got a green light
None of the road is safe. Remember that, on the road, collision between vehicles can happen any times. When you step onto the road, be mindful of car crash.
Escalator Hazards
Escalator is indeed a machinery which is just being used for modern building. Without proper maintenance and repair, an escalator can turn to be extremely dangerous for the users.
Fire Alarm means “Move!!”
When you hear a long bell of fire alarm what will you do? Evacuate building immediately or wait until someone call you to leave?