Suggest a few useful ways of utilizing waste water.

The waste water can be utilized in various manners:

1. Water left after washing clothes should be used for various purposes so that it is not wasted such as for watering the plants in the garden.

2. The water left from washing fruits and vegetables should be used for watering fruits or cleaning the floor.

3. Water which comes out from AC outlet can be used for cleaning purposes like mopping the floor or in toilets.

4. Rain water can be used in water-coolers.