1.Don't switch on electric fan when the room is cool. 2.Open the window when the wind blow. 3.Don't turn on tap when we don't use. 4.Water can be saved by taking showers instead of baths.
1.Don't switch on electric fan when the room is cool.2.Open the window when the wind blow.3.Don't turn on tap when we don't use.4.Water can be saved by taking showers instead of baths.