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2. 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.

3. Water purification - Wikipedia

   en.wikipedia.org/wiki/Water_purification

   Water purification is the process of removing undesirable chemicals, biological contaminants, suspended solids, and gases from water. The goal is to produce water that is fit for specific purposes. Most water is purified and disinfected for human consumption ( drinking water ), but water purification may also be carried out for a variety of ...

4. This bestselling Bissell Little Green cleaner is easy to use ...

   www.aol.com/lifestyle/this-bestselling-bissell...

   This compact helper has a 15-foot cord that should keep it in range of your grimiest spots. $86 at Amazon And for dry messes, Amazon shoppers also love the Bissell Featherweight Stick Vacuum :

5. LifeSaver bottle - Wikipedia

   en.wikipedia.org/wiki/LifeSaver_bottle

   The LiveSaver bottle has been used by soldiers for drinking water as well as cleaning wounds. [ 2][ 3][ 4] To filter the water, one puts contaminated water in the back of the bottle, then screws the lid on. The lid has a built in pump which is operated manually with a hand; the pumping action forces the contaminated water through the nano ...

6. Grail (company) - Wikipedia

   en.wikipedia.org/wiki/Grail_(company)

   Grail (styled GRAIL) is an American biotechnology company in Menlo Park, California. It was previously a subsidiary of Illumina started as a startup seeking to develop an early cancer screening test for people who do not have symptoms. [ 1] Grail was spun-out from Illumina on June 24, 2024. Their liquid biopsy (also called multi-cancer early ...

7. NASA Clean Air Study - Wikipedia

   en.wikipedia.org/wiki/NASA_Clean_Air_Study

   The NASA Clean Air Study was a project led by the National Aeronautics and Space Administration ( NASA) in association with the Associated Landscape Contractors of America (ALCA) in 1989, to research ways to clean the air in sealed environments such as space stations. Its results suggested that, in addition to absorbing carbon dioxide and ...