ბიბლიოთეკაLibrary-KütüphaneGeorgian Catholic Foundation - Gürcü Katolik Kilisesi Vakfı
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UNESCO_V2 > 2 Science > 2.55 Environmental sciences and engineering > Environmental engineering > Sanitation > Waste disposal > Waste treatment
Waste treatmentSynonymsSewage handling ;Sewage treatment ;Waste collection ;Waste handling Waste recycling |
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