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2. Needlegun scaler - Wikipedia

   en.wikipedia.org/wiki/Needlegun_scaler

   A US Navy dockyard worker operates a needlegun while wearing vision, hearing, and respiratory protection. A US Navy Seaman uses a needlegun to remove old paint and corrosion aboard USS Kitty Hawk. [1] A needlegun scaler, needle scaler, or needle-gun is a tool used to remove rust, mill scale, and old paint from metal surfaces. [2]

3. Air hammer (fabrication) - Wikipedia

   en.wikipedia.org/wiki/Air_hammer_(fabrication)

   Free-standing style. References. Air hammer (fabrication) A German pistol-type air hammer. An air hammer, also known as an air chisel, is a pneumatic hand tool used to carve in stone, and to break or cut metal objects apart. It is designed to accept different tools depending on the required function. [ 1 ]

4. Pneumatic tool - Wikipedia

   en.wikipedia.org/wiki/Pneumatic_tool

   Pneumatic tool. Drilling a blast hole with a pneumatic drill (jackhammer). A pneumatic tool, air tool, air-powered tool or pneumatic-powered tool is a type of power tool, driven by compressed air supplied by an air compressor. Pneumatic tools can also be driven by compressed carbon dioxide (CO 2) stored in small cylinders allowing for portability.

5. Underground pneumatic boring - Wikipedia

   en.wikipedia.org/wiki/Underground_pneumatic_boring

   A piercing tool uses compressed air to bore through the ground. Manufacturers have proprietary standards and control mechanisms. Compressed air is run to the piercing tool through a pneumatic hose. Additionally an oiler attachment is used to send oil along with the compressed air, similar to a jackhammer. Inside the piercing tool is a piston. A ...

6. Jackhammer - Wikipedia

   en.wikipedia.org/wiki/Jackhammer

   A jackhammer (pneumatic drill or demolition hammer in British English) is a pneumatic or electro-mechanical tool that combines a hammer directly with a chisel. It was invented by William McReavy, who then sold the patent to Charles Brady King. [1] Hand-held jackhammers are generally powered by compressed air, but some are also powered by ...

7. Micrometer (device) - Wikipedia

   en.wikipedia.org/wiki/Micrometer_(device)

   A micrometer, sometimes known as a micrometer screw gauge, is a device incorporating a calibrated screw widely used for accurate measurement of components [1] in mechanical engineering and machining as well as most mechanical trades, along with other metrological instruments such as dial, vernier, and digital calipers.