1.  In addition the industrial waste water is let out into the rivers, polluting fresh water.

2.  It must be prohibited by law that the waste water of industy should not be poured into river.

3.  The most worst is that many factories give out waste water and the waste water pollute the fresh water in our earth.

4.  Firstly, we should save fresh water when we use it; Secondly, we should find ways to make full use of the waste water.

5.  Even a lot of fresh water is polluted by the waste water given off from the factories.

6.  Factories must make their waste water harmless and clean before sending them into the river.

7.  What we can do is not to waste fresh water and make it use circle .

8.  For an example waste water can't be poured into rivers without being cleaned.

9.  We must not any more waste water.

10.  The second one is that industrial water's quantity is increasing, which makes a lot of waste water.