2007年6月7日 星期四

B9409024 (A3)

#2 The effects of a washing machine without water

Last year a student who had graduated from the University of New South Wales innovated a washing machine which can use sunlight instead of water and washing powder to wash clothes. According to the student's design, the light in the house can operate powerful oxidants which can decompose filth into carbon dioxide and water. I think that it will be popular because it can save water, reduce the usage of washing powder, and there is the smell of sunlight on the clothes

The most important effect of the washing machine is to save water. Saving water is a very important issue. It is said that on (in) 2025 if we only depends (depend) on the source of nature, [[that population of 7000 million of world]]==>the world population of 7000 million people will face the pressure of (water of shortage)==>water shortage, even [[so the nation there are]]==>in the area where there is affluent water, such as America and China. If there are adequante solutions to the problem of (water of shortage)==>water shortage, we do not [[scare to take the bath and cultivate crops without water.]]==>have to worry about taking a bath and cultivate crops by consuming water.

The second effect of the washing machine is to reduce the usage of washing powder.We should use little washing powder owing to it causes not only the pollution of environment but also a variety of diseases. The lakes in my country are in eutrophication because of a great deal of phosphorus. In addition, the composition of surfactant in washing powder will excite (irritate) our skin and harm our health.

Another effect of the washing machine is that there is the smell of sunlight on the clothes. Having it, my clothes [[which there still are the smell of sunlight whether the weather is bad]]==>will still smell good even the wether is bad.

In conclusion, the washing machine helps a lot on the part of environmental protection no matter how to save water or reduce the pollution of environment. I believe that it will become essential in our lives. If you have a heart loving the earth, it is time to act-buying one.

***A clear and organized article. A really interesting invention!

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