Term
| free of injurious agents (water) |
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Definition
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Term
contains dangerous microbes
MAY have a pleasant appearance or taste |
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Definition
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Term
Unpleasant, appearance, taste, odor
MAY not contain dangerous microbes or agents |
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Definition
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Term
| Natural types of water purification |
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Definition
filtration (Berkefield filter)
sedimentation
sunlight |
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Term
| Artificial types of water purification |
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Definition
Sedimentation (Ferric Acid)
Filtration (fine sand or special filters)
Chemical (chlorination, ammonia, aluminum sulphate, copper sulphate) |
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Term
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Definition
| clear, colorless, tasteless, free of injurious chemicals, free of excretion, free of injurious agents |
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