Mobile
phones are of great importance to many people in society from a businessman to
an ordinary man. They can't do without. In time of emergency people need to
make a phone call asking for the ambulance help. In travel, mobiles are
necessary to tell other people how you are.
But some
people have bad habits when using mobiles. They sometimes disturb people
indoors unnecessarily at midnight.
While driving, they may cause death, so the government should pmind strict laws
against using them while driving. However, doctors warn people of its drawbacks
exposing themselves to the side effects of electromagnetic waves causing
cancer. So people should use mobile phones more wisely and quietly.