Sewage systems should not have which of the following characteristics?
Pipes of sufficient size to carry water
Manholes to access drains at intervals
Connection to main sewage line
Connection to drinking water line
Sewage systems should not be connected to drinking water supply lines as the sewage would contaminate the drinking water.
Which of the following will not contribute to sewage water?
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?