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2. Airlift (dredging device) - Wikipedia

   en.wikipedia.org/wiki/Airlift_(dredging_device)

   A controllable compressed air supply vents into the inside, lower end of the pipe (The input end always being the lower end). Compressed air is injected into the pipe in one to three second bursts with an interval long enough to let the resulting bubble to rise to the higher, output end of the pipe.

3. Airlift pump - Wikipedia

   en.wikipedia.org/wiki/Airlift_pump

   A geyser pump, an improved airlift pump, powered by compressed air, raises fluid by forcing rising bubbles to displace fluid. 50. air supply 52. air inlet port 58. liquid supply 60,62. air supply lines 64. upper end of air tank 86 66,82. air ports 70. upper air inlet of u-shaped elbow 74 76 air outlet 84. fluid intake 65. riser tube 88 ...

4. Gas lift - Wikipedia

   en.wikipedia.org/wiki/Gas_lift

   The gas-lift mandrel is a device installed in the tubing string of a gas-lift well onto which or into which a gas-lift valve is fitted. There are two common types of mandrels. In a conventional gas-lift mandrel, a gas-lift valve is installed as the tubing is placed in the well. Thus, to replace or repair the valve, the tubing string must be pulled.

5. AOL.com - News, Sports, Weather, Entertainment, Local & Lifestyle

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   AOL latest headlines, entertainment, sports, articles for business, health and world news.

6. AOL Mail Help - AOL Help

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   You've Got Mail!® Millions of people around the world use AOL Mail, and there are times you'll have questions about using it or want to learn more about its features. That's why AOL Mail Help is here with articles, FAQs, tutorials, our AOL virtual chat assistant and live agent support options to get your questions answered.

7. 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!

8. Lifting gas - Wikipedia

   en.wikipedia.org/wiki/Lifting_gas

   This means that while the mass of lifting gas and mass of displaced air for a given lift are the same as at lower altitude, the volume of the balloon is much greater at higher altitudes. A balloon that is designed to lift to extreme heights (stratosphere), must be able to expand enormously in order to displace the required amount of air. That ...

9. Crown Equipment Corporation - Wikipedia

   en.wikipedia.org/wiki/Crown_Equipment_Corporation

   Crown later decided to stop making so many one-of-a-kind trucks and developed two lines of E-Z Lift Trucks: an H series (hand-operated) and a B series (battery-operated). In 1959, when its lift trucks had annual sales of about $50,000, antenna rotators had annual sales of $700,000, [9] but the transition to the lift truck business was under way ...