electricity

electricity is the most useful factor for the morden development of human world. It is a useful servant if it is properly and wisely used,but it can be a dengerous enemy unless it is properly used. It can be produced cheaply by using hydro power. Thats why various hydro electricity projects have been established. Hydro electricity is the cheapest to produce. It can also be produced by the help of some machines which need petroleum fuel it is more expensive than to produce hydro electricity. electricity can be easily carried all over the country by power lines.

electricity is widely used in all the sector of human activitys. We can use electricity to heat and light our homes,cook our food and drive machinery of all kinds. In all these ways,electric power helps us. But it is the power which we must use with great care.

 We should not forget that an electric shock can kill us. We should assure ourselves that the wire in our houses are strong enough and that no bare metal can be seen. Uncovered or bare wires can give us a bad shock. They can touch each other and make sparks which can because  fites. Electric switch should not be touched with wet hands. If we have an electric  stove or lamp which is made of metal,it should be earthed.