Playing near roads is . (safe/unsafe)

Write any two safety rules that we should follow: 

At the swimming pool.

Write any two safety rules that we should follow:

While riding a bus.   

Write any two safety rules that we should follow:

At school

Write any two safety rules that we should follow:

On the road

While travelling, you must have seen a traffic policeman controlling the traffic. He makes some hand signals for it. Find out some hand signals that a traffic policeman uses to control the traffic.