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2. 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 pools .

3. Refrigerator - Wikipedia

   en.wikipedia.org/wiki/Refrigerator

   A refrigerator maintains a temperature a few degrees above the freezing point of water. The optimal temperature range for perishable food storage is 3 to 5 °C (37 to 41 °F). A freezer is a specialized refrigerator, or portion of a refrigerator, that maintains its contents’ temperature below the freezing point of water.

4. Reverse osmosis - Wikipedia

   en.wikipedia.org/wiki/Reverse_osmosis

   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 ...

5. Panasonic's fridge of the future comes when you call it

   www.engadget.com/2017-09-01-panasonic-prototype...

   Follow all the latest news from IFA 2017 here! We don't know how the kitchens of our future will work, but Panasonic's vision includes a moving refrigerator that responds to voice commands. The ...

6. Microfiltration - Wikipedia

   en.wikipedia.org/wiki/Microfiltration

   Microfiltration. Microfiltration is a type of physical filtration process where a contaminated fluid is passed through a special pore-sized membrane filter to separate microorganisms and suspended particles from process liquid. It is commonly used in conjunction with various other separation processes such as ultrafiltration and reverse osmosis ...

7. Caper's smart shopping cart uses AI to skip checkout lines

   www.engadget.com/2019-01-11-caper-smart-shopping...

   Now a lesser-known startup is entering the fray with its AI-powered shopping carts that could put an end to bothersome checkout lines at your local store. Equipped with an interactive display and ...