节电的方法 用英语表达！急需！

汗。。你问的应该是节电的方法的5种方法吧。。。？
1、离开教室时关灯，turn off the lights when everyone's out of the classroom.
2、白天不开灯。turn off lights when it's bright enough.
3、空调温度不要过高或过低。Do not turn the temprature of an air-conditioner too high or too low.
4、收音机和电视的声音尽量小。turn down a bit of your tv and radio.
5、电脑待机时关掉显示器。turn off your computer screen when it's sleeping.

power saver

the means to save electricity
the way of saving electricity

Wash full loads when using the washing machine or clothes dryer.

Be sure the air conditioning system is fully charged with freon so it will operate most efficiently when you need it.

Turn all the lights and equipment off in the office when you go home for the night.

Do not use the kitchen stove to heat rooms.

Reduce the quantities of air exhausted from kitchens, restrooms and laboratory vent hoods as much as practicable.