41.  In order to not waste fresh water, we should manage to make full use of it.

42.  The second, everyone should not waste the water and do something to clear the water.

43.  On one hand, we should not waste fresh water, we should save up every drop of water.

44.  First we should not waste fresh water.

45.  And some people still waste water when they are washing and bathing.

46.  I think, the first most of all, don't waste water any longer and save water to make good use of it.

47.  First we must not waste the water.

48.  "Don't waste water any more"!

49.  Do not waste the water for daily life.

50.  On one hand in our lives, we should make full use of the fresh water and not waste a little water.