Water Purification

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Groundwater / Water / Irrigation / Soil / Reservoir

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Latrine / Sewerage / Sanitation / Environmental Pollution / Water

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Water Resources / Water / Regulation / Consumption (Economics) / Liquids

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Clay / Silicon Dioxide / Properties Of Water / Sand / Materials

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Dam / Water / Drainage Basin / Wetland / Natural Environment

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Agriculture / Natural Environment / Water / Ecology / Food And Drink

Manual AKT 125 Sl

Motorcycle / Tanks / Tap (Valve) / Water / Transmission (Mechanics)

Tecnicas de Baleos Para El Mejoramiento de Produccion Del Pozo

Reservoir / Ammunition / Pipe (Fluid Conveyance) / Gases / Water

Baños Secos

Wastewater / Water / Waste / Soil

Protocolo de Limpieza y Desinfeccion en Las Cocinas

Kitchen / Water / Detergent / Foods / Waste

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Precipitation / Water Cycle / Sun / Moon / Solar Eclipse

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Evaporation / Vacuum / Liquids / Water / Heat

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Drinking Water / Seawater / Soap / Water / Rain

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Chlorine / Chemical Reactions / Iron / Water / Chemical Substances
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