Flush toilets are said to be more sanitary than squat toilets.

_____ is the residue from burning combustible material used for cooking and other heating purposes.

What is the amount of water used in pour flush latrines for a single time use?

Wastes are disposed of through a section of pipe bent into a U shape (a U-bend) to maintain ____

An aquaprivy is similar to a ___

Flush toilets work well because of a part called “the S bend” or “the siphon”.

Which of these is not true regarding reuse of treated sewage and sludge?

What is the maximum amount of water consumption per flush to certify toilets in North America?