List of rules for mobile phone users

-You shouldn't take calls when crossing the street.
-You mustn't use your mobile phone when driving.
-You must turn off your mobile phones on aeroplanes.
-You have to use your mobile phone when there is an emergency.
-You shouldn't repeat things loudly on a train or a bus.
-You mustn't use your phones in hospitals.
-You mustn't keep your phone during family dinners.
-You must turn off your mobile phone in the cinema or theatre.