Prepare model for rain water harvesting or energy saving or soil management, that reflect your innovative thoughts.

Explanation

Procedure to prepare a model for rain water harvesting :
1) Make a model of a house with root little slanting towards one side.
2) Connect a tube/pipe to the down end such that the rain water that falls on root can be collected.
3) Connect the other end of this tube to a barrel like structure which can be used as storage tank.
4) From the tank arrange a tube towards the garden along with a valve that can be closed and opened.
5) Arrange one more tube with valve into a recharge pit or percolation pit arranged at one corner.
6) Arrange a tap to the tank that can be opened to collect the water for cleaning floor, vehicles, etc.
7) During rain, water from roof can be collected into tank and we can utilize it later for gardening or cleaning purposes.
8) When water is in excess it can be used to recharge undergroud water.