101.  Saving the using of water is the most important.

102.  First, we should control the population; Second, we should save water; Third, we should make good use of the fresh water in the industry.

103.  Second, we save up fresh water, and don't waste .

104.  First, we must save fresh water at once and everyone must do so.

105.  Let us save water together!

106.  We should save water.

107.  It is known to all that there is no life without fresh water, therefore we ought to save water.

108.  Secondly, factory must clean the portuted water and save water.

109.  First, we ought to do our best to save fresh water.

110.  If every one can do this, it will save much waste fresh water to use.