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2. Water supply and sanitation in the Philippines - Wikipedia

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

   Agricultural water management in the Philippines is primarily focused on irrigation. The country has 3.126 million hectares of irrigable land, 50% (1.567 million hectares) of which already has irrigation facilities. 50% of irrigated areas are developed and operated by the government through the National Irrigation System (NIS). 36% is developed by the government and operated by irrigators ...

3. Portable water purification - Wikipedia

   en.wikipedia.org/wiki/Portable_water_purification

   The Portable Aqua Unit for Lifesaving (short PAUL) is a portable ultrafiltration-based membrane water filter for humanitarian aid. It allows the decentralized supply of clean water in emergency and disaster situations for about 400 persons per unit per day. The filter is designed to function with neither chemicals nor energy nor trained personnel.

4. Water crisis in Metro Manila - Wikipedia

   en.wikipedia.org/wiki/Water_crisis_in_Metro_Manila

   The Ayalas own the controlling stake in Manila Water, while a company being run by Manuel V. Pangilinan is a shareholder of Maynilad along with the Consunjis. On November 26, 2019, Duterte slammed both private water firms of treating water like a commodity and not as a natural resource.

5. Water privatization in Metro Manila - Wikipedia

   en.wikipedia.org/wiki/Water_privatization_in...

   Evaluators asked the company if the bid was serious, which the company, Manila Water led by the Filipino Ayala Group confirmed. Manila Water was the only company to submit a lower bid for East Manila than for West Manila. The Ayala group owned substantial real estate in East Manila and may have wanted be certain to win the Eastern concession.

6. Water filter - Wikipedia

   en.wikipedia.org/wiki/Water_filter

   A water filter removes impurities by lowering contamination of water using a fine physical barrier, a chemical process, or a biological process. Filters cleanse water to different extents, for purposes such as: providing agricultural irrigation , accessible drinking water , public and private aquariums , and the safe use of ponds and swimming ...

7. Do Air Purifiers Actually Work? Here's What Experts Say - AOL

   www.aol.com/air-purifiers-actually-heres-experts...

   Air purifiers usually consist of a filter, or multiple filters, and a fan that sucks in and circulates air. As air moves through the filter, pollutants and particles are captured, and the clean ...