RULERS FOR BE A GOOD PHONES MANNERS.

·You shouldn't take calls when you are crossing the street.

·You musn't use your mobile phone when you are driving.

·You musn't turn off or put it on airplane mode your mobile phone on airplanes.

·You have to use your mobile phone when there is an emergency.

·You should reply when you get a message.

·You can leave your phone on when you are on the bus.