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2. Impact wrench - Wikipedia

   en.wikipedia.org/wiki/Impact_wrench

   Compressed air is the most common power source for impact wrenches, [citation needed] providing a low-cost design with the best power-to-weight ratio.A normal vane motor is almost always used, usually with four to seven vanes, and various lubrication systems, the most common of which uses oiled air, while others may include special oil passages routed to the parts that need it and a separate ...

3. Central African Shear Zone - Wikipedia

   en.wikipedia.org/wiki/Central_African_Shear_Zone

   The CASZ was formerly thought to extend eastward only to the Darfur region of western Sudan. [3] It is now interpreted to extend into central and eastern Sudan, with a total length of 4,000 km. [1] In the Sudan, the shear zone may have acted as a structural barrier to development of deep Cretaceous-Tertiary sedimentary basins in the north of the area.

4. Power wrench - Wikipedia

   en.wikipedia.org/wiki/Power_wrench

   An air ratchet wrench is very similar to hand-powered ratchet wrenches in that it has the same square drive, but an air motor is attached to turn the socket drive. Pulling the trigger activates the motor which turns the socket drive. A switch is provided to change which direction the socket drive turns. [1]

5. Chicago Pneumatic - Wikipedia

   en.wikipedia.org/wiki/Chicago_Pneumatic

   In 1970, the CP611 impact wrench was used in the steel erection phase of the World Trade Centers (New York City). Sold for several years into industrial markets, CP torque impact wrenches were introduced in the 1970s into the automotive market. In 1987, Chicago Pneumatic became part of the Swedish conglomerate Atlas Copco. During 1988, more new ...

6. Seismic source - Wikipedia

   en.wikipedia.org/wiki/Seismic_source

   An air gun seismic source (30 litre) A seismic source is a device that generates controlled seismic energy used to perform both reflection and refraction seismic surveys. A seismic source can be simple, such as dynamite, or it can use more sophisticated technology, such as a specialized air gun.

7. Pneumatic tool - Wikipedia

   en.wikipedia.org/wiki/Pneumatic_tool

   Most pneumatic tools convert the compressed air to work using a pneumatic motor. Compared to electric power tool equivalents, pneumatic tools are safer to run and maintain, without risk of sparks, short-circuiting or electrocution, and have a higher power to weight ratio , allowing a smaller, lighter tool to accomplish the same task.