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2. Chlorodifluoromethane - Wikipedia

   en.wikipedia.org/wiki/Chlorodifluoromethane

   Worldwide production of R-22 in 2008 was about 800 Gg per year, up from about 450 Gg per year in 1998, with most production in developing countries. [2] R-22 use is being phased out in developing countries, where it is largely used for air conditioning applications.

3. Robinson Helicopter Company - Wikipedia

   en.wikipedia.org/wiki/Robinson_Helicopter_Company

   The Robinson Helicopter Company, based at Zamperini Field in Torrance, California, is an American helicopter manufacturer. As of 2024, Robinson produces three models: the two-seat R22, the four-seat R44, both of which use Lycoming piston engines, and the five-seat R66, which use Rolls-Royce turbine engines.

4. Robinson R22 - Wikipedia

   en.wikipedia.org/wiki/Robinson_R22

   The Robinson R22 is a two-seat, two-bladed, single-engined, ... Initially, Robinson projected the sale price in 1977 to be US$18-19,000. However, 3 months prior to ...

5. AOL Mail

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   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

6. Dichlorodifluoromethane - Wikipedia

   en.wikipedia.org/wiki/Dichlorodifluoromethane

   From 1930 to 1935, they developed dichlorodifluoromethane (CCl 2 F 2 or R12), trichlorofluoromethane (CCl 3 F or R11), chlorodifluoromethane (CHClF 2 or R22), trichlorotrifluoroethane (CCl 2 FCClF 2 or R113), and dichlorotetrafluoroethane (CClF 2 CClF 2 or R114), through Kinetic Chemicals which was a joint venture between DuPont and General ...

7. What will happen to Social Security under Trump’s tax plan?

   www.aol.com/finance/happen-social-security-under...

   Trump’s plan to eliminate taxes on Social Security benefits would help current beneficiaries, but future recipients may be hurt by the move.

8. Hornets' Grant Williams to miss remainder of 2024-25 season ...

   www.aol.com/sports/hornets-grant-williams-miss...

   Charlotte Hornets forward Grant Williams suffered a torn ACL in his right knee during Saturday's 125-119 loss to the Milwaukee Bucks and will miss the remainder of the 2024-25 season, reports ...

9. Internally grooved copper tube - Wikipedia

   en.wikipedia.org/wiki/Internally_grooved_copper_tube

   Tube weight was reduced by 31% when copper tube diameters were downsized from 3/8 inch to 7 mm. Tube weight was reduced by 46% when copper tube diameters were downsized from 3/8 inch to 5 mm. The weights of the fin materials in the coils was 3.55 kg for the 9.52 mm coils, 2.61 kg for the 7 mm coils, and 1.55 kg for the 5 mm coils.