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2. 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 ...

3. Pneumatic tube - Wikipedia

   en.wikipedia.org/wiki/Pneumatic_tube

   One year after New York City's first-ever elevated rail line went into service; in 1869, the Beach Pneumatic Transit Company of New York secretly constructed a 312-foot (95 m) long, 8.9-foot (2.7 m) diameter pneumatic subway line under Broadway, to demonstrate the possibilities of the new transport mode. [32]

4. Compressed air - Wikipedia

   en.wikipedia.org/wiki/Compressed_air

   An early major application of compressed air was in the drilling of the Mont Cenis Tunnel in Italy and France in 1861, where a 600 kPa (87 psi) compressed air plant provided power to pneumatic drills, increasing productivity greatly over previous manual drilling methods. Compressed-air drills were applied at mines in the United States in the 1870s.

5. Hypersonic XLC - Wikipedia

   en.wikipedia.org/wiki/Hypersonic_XLC

   Characteristics of compressed air launches are shorter runways and quicker acceleration, when compared to hydraulic and LIM/LSM launch platforms. The compressed air launch system was used on Do-Dodonpa , the world's fastest-accelerating ride prior to closing in 2024, which accelerated to 112 mph (180 km/h) in just 1.56 seconds.

6. Compressed air foam system - Wikipedia

   en.wikipedia.org/wiki/Compressed_air_foam_system

   This would produce flow rates from a typical 1-3/4" inch hose of 120 US gal (450 L) per minute of foam solution and 60 cu ft (1.7 m 3) per minute of compressed air. This air to foam solution ratio produces a wet, quick draining finished foam that will quickly knockdown flame and reduce fire compartment temperature.

7. AOL Mail

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