The design of toilets should be such that it minimises the water requirement.
There were some houses in Anu’s village which had no toilets and were too far to connect with a sewage system. So, government officials granted money under the Swachch Bharat Mission to construct eco-friendly, low water usage toilets that do not need a sewage system. Which of the following types of toilets could be constructed at a minimum cost?
Which irrigation technique can be effectively used to minimise the amount of water required for agriculture?