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water treatment | |||
water purification Any of several processes in which undesirable impurities in water are removed or neutralized | |||
water purification | |||
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purification of water |
epuration de l 'eau: 16 фраз в 4 тематиках |
Довкілля | 12 |
Загальна лексика | 2 |
Медико-біологічні науки | 1 |
Суспільствознавство | 1 |