GS4 - Revision Unit 7.8 - Vocab check

the system of pipes and openings in the ground that are used for carrying away waste matter and water

a natural or artificial lake for storing and supplying water for an area

an area of water smaller than a lake, often artificially made

a deep hole in the ground from which you can get water, oil, or gas

a device that controls the flow of liquid, especially water, from a pipe

A factory-like building to clean water water

the movement of something (water) in one direction

to clean a toilet after it has been used by pressing a handle or button

a tube inside which water or gas flows from one place to another