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2. Culligan - Wikipedia

   en.wikipedia.org/wiki/Culligan

   Culligan International is a United States based global water treatment company with a network of dealers and direct operations in 90 countries with 1,000 dealers; over 600 in North America alone, and more than 14,000 employees.

3. Reverse osmosis - Wikipedia

   en.wikipedia.org/wiki/Reverse_osmosis

   Reverse osmosis ( RO) is a water purification process that uses a semi-permeable membrane to separate water molecules from other substances. RO applies pressure to overcome osmotic pressure that favors even distributions. RO can remove dissolved or suspended chemical species as well as biological substances (principally bacteria ), and is used ...

4. Ultrafiltration - Wikipedia

   en.wikipedia.org/wiki/Ultrafiltration

   Ultrafiltration. Ultrafiltration ( UF) is a variety of membrane filtration in which forces such as pressure or concentration gradients lead to a separation through a semipermeable membrane. Suspended solids and solutes of high molecular weight are retained in the so-called retentate, while water and low molecular weight solutes pass through the ...

5. Scientists obtain deepest rock sample from Earth's mantle - AOL

   www.aol.com/news/scientists-obtain-deepest-rock...

   Scientists using an ocean drilling vessel have dug the deepest hole ever in rock from Earth's mantle - penetrating 4,160 feet (1,268 meters) below the Atlantic seabed - and obtained a large sample ...

6. Ohio bill would require pro teams to play on natural grass ...

   www.aol.com/sports/artificial-turf-grass-ohio...

   Two Ohio lawmakers were joined by an NFL players union representative on Tuesday in unveiling legislation to require the state’s professional sports teams to play on natural grass. The effort is ...

7. Judge's ruling temporarily allows for unlicensed Native ... - AOL

   www.aol.com/lifestyle/judges-ruling-temporarily...

   A Hawaii judge has temporarily blocked the state from enforcing a law requiring the licensing of practitioners and teachers of traditional Native Hawaiian midwifery while a lawsuit seeking to ...