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2. Air purifier - Wikipedia

   en.wikipedia.org/wiki/Air_purifier

   An air purifier or air cleaner is a device which removes contaminants from the air in a room to improve indoor air quality. These devices are commonly marketed as being beneficial to allergy sufferers and asthmatics , and at reducing or eliminating second-hand tobacco smoke .

3. Play Just Words Online for Free - AOL.com

   www.aol.com/games/play/masque-publishing/just-words

   Just Words. If you love Scrabble, you'll love the wonderful word game fun of Just Words. Play Just Words free online! By Masque Publishing

4. Air filter - Wikipedia

   en.wikipedia.org/wiki/Air_filter

   In the early 20th century (about 1900 to 1930), water bath air cleaners were used in some applications (cars, trucks, tractors, and portable and stationary engines). They worked on roughly the same principles as oil bath air cleaners. For example, the original Fordson tractor had a water bath air cleaner. By the 1940s, oil bath designs had ...

5. Air ioniser - Wikipedia

   en.wikipedia.org/wiki/Air_ioniser

   CADR measures the amount of filtered air circulated during a short period of time, and was originally designed to rate media-based air cleaners. The Sharper Image claimed that this test was a poor way to rate the Ionic Breeze, since it does not take into account other features, such as 24-hour-a-day continuous cleaning, ease of maintenance, and ...

6. Airwatt - Wikipedia

   en.wikipedia.org/wiki/Airwatt

   An alternative airwattage formula is from ASTM International (see document ASTM F558 - 13) [4] P = 0.117354 ⋅ F ⋅ S {\displaystyle P=0.117354\cdot F\cdot S} Where P is the power in airwatts, F is the rate per minute (denoted cu ft/min or CFM) and S is the suction capacity expressed as a pressure in units of inches of water.

7. Laptop - Wikipedia

   en.wikipedia.org/wiki/Laptop

   The first "laptop-sized notebook computer" was the Epson HX-20, [12] [13] invented (patented) by Suwa Seikosha's Yukio Yokozawa in July 1980, [14] introduced at the COMDEX computer show in Las Vegas by Japanese company Seiko Epson in 1981, [15] [13] and released in July 1982.