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  2. Water supply and sanitation in Ethiopia - Wikipedia

    en.wikipedia.org/wiki/Water_supply_and...

    People buy water from water tankers or supplement their water needs by borrowing or purchasing from neighbours, or informal water vendors, at costs ranging from 2 to 10 birr [0.07–0.34 EUR] per 20-litre jerrycan. This is much higher than the 5 birr [0.17 EUR] per 1000-litres through the piped network. [42]

  3. Portable water purification - Wikipedia

    en.wikipedia.org/wiki/Portable_water_purification

    Instead of using the static pressure of a water supply line to force the water through the filter, pressure is provided by a hand-operated pump. These devices can generate drinkable water from seawater. The Portable Aqua Unit for Lifesaving (short PAUL) is a portable ultrafiltration-based membrane water filter for humanitarian aid. It allows ...

  4. Solar water disinfection - Wikipedia

    en.wikipedia.org/wiki/Solar_water_disinfection

    Solar water disinfection, in short SODIS, is a type of portable water purification that uses solar energy to make biologically-contaminated (e.g. bacteria, viruses, protozoa and worms) water safe to drink. Water contaminated with non-biological agents such as toxic chemicals or heavy metals require additional steps to make the water safe to drink.

  5. Water purification - Wikipedia

    en.wikipedia.org/wiki/Water_purification

    The generation of liquid sodium hypochlorite is inexpensive and also safer than the use of gas or solid chlorine. Chlorine levels up to 4 milligrams per litre (4 parts per million) are considered safe in drinking water. [10] All forms of chlorine are widely used, despite their respective drawbacks.

  6. Water pricing - Wikipedia

    en.wikipedia.org/wiki/Water_pricing

    Retail prices vary widely between countries, brands, bottle sizes (0.33 liter to 20 liters) and place of sale (supermarket, fair, restaurant etc.). They range from US$0.05 to US$6 per liter, equivalent to US$50 to US$6,000 per cubic meter .

  7. The best air purifiers of 2025 - AOL

    www.aol.com/best-air-purifiers-190644198.html

    Blue Pure 311i Max is the top-of-the-line model out of the half-dozen or so Blue Air purifiers available. The tallest (14.4" wide x 14.4" deep x 22.7" tall) in our round-up and with a premium grey ...

  8. Water supply and sanitation in sub-Saharan Africa - Wikipedia

    en.wikipedia.org/wiki/Water_supply_and...

    Communal tap (standpost) for drinking water in Soweto, Johannesburg, South Africa. May 2005. Groundwater plays a key role in sustaining water supplies and livelihoods in sub-Saharan Africa especially due to its widespread availability, generally high quality, and intrinsic ability to buffer episodes of drought and increasing climate variability.

  9. Damtew appeared in Washington, DC federal court on Tuesday, Dec. 10 where he was released. He faces a potential maximum sentence of 20 years in prison and a maximum fine of $250,000. Getty

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