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12 Cards in this Set
- Front
- Back
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Disposal |
an action of throwing away something |
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Impurities |
spoils the purity, -the state or quality of being impure. |
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Management |
action of organizing. |
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Famine |
shortage of food, condition of lack of food |
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Trenches |
a long narrow pit, a pit dug to carry water |
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Contour |
an outline. |
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Pollution |
any of the content in the atmosphere getting disturbed with harmful things |
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sewage |
waste water |
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Chlorination |
cleaning the water by killing the germs in it by adding chlorine |
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residential |
designed for people to live in |
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coarse sand |
a loose aggregate of sand consisting of coarse sand particles |
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settling |
an operation that removes suspended particles from the water |
