There are eleven mistakes in the following passage. Find and correct. The first one has done for you as example. Write your answers to the spaces below

PART 7: There are eleven mistakes in the following passage. Find and correct. The first one has done for you as example. Write your answers to the spaces below.
In Western country, electricity, gas, and water are not luxulies but necessities. Companies now realized that consumers want products that will not only work effective, but also save money.
For most North America households, lighting accounts for 10 percent to 15 percent on the electricity bill. However, this  amount can be reduce by replacing an ordinary 100- watt light bulb about an energy - saving buld. These bulds use a quarter of the electricity of standard buld and last eight times long. Therefore, consumer can save US$ 7 to US$ 21 per buld.
In Europe, there is a labeling scheme for refrigerators, freezers, washing machines or tumble dryers. The label tells the consumers how much efficiency each model has, compared with other appliances in the same category 
Ultimately, these innovations will save money as well as conserves the Earth's resources.
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