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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. Pneumatic tool - Wikipedia

    en.wikipedia.org/wiki/Pneumatic_tool

    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.

  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. Aluminium–air battery - Wikipedia

    en.wikipedia.org/wiki/Aluminium–air_battery

    Traditional Al–air batteries had a limited shelf life, [14] because the aluminium reacted with the electrolyte and produced hydrogen when the battery was not in use; this is no longer the case with modern designs. The problem can be avoided by storing the electrolyte in a tank outside the battery and transferring it to the battery when it is ...

  6. Impact driver - Wikipedia

    en.wikipedia.org/wiki/Impact_driver

    A manual impact driver (for use with hammer) with screwdriver bits and adapters. An impact driver is a tool that delivers a strong, sudden rotational force and forward thrust. The force can be delivered either by striking with a hammer in the case of manual impact drivers, or mechanically in the case of powered impact drivers.

  7. Lithium–air battery - Wikipedia

    en.wikipedia.org/wiki/Lithium–air_battery

    The lithium–air battery (Li–air) is a metal–air electrochemical cell or battery chemistry that uses oxidation of lithium at the anode and reduction of oxygen at the cathode to induce a current flow. [1] Pairing lithium and ambient oxygen can theoretically lead to electrochemical cells with the highest possible specific energy.

  8. Fuze - Wikipedia

    en.wikipedia.org/wiki/Fuze

    A fuze assembly may include more than one fuze in series or parallel arrangements. The RPG-7 usually has an impact (PIBD) fuze in parallel with a 4.5 second time fuze, so detonation should occur on impact, but otherwise takes place after 4.5 seconds. Military weapons containing explosives have fuzing systems including a series time fuze to ...

  9. Battery torque wrench - Wikipedia

    en.wikipedia.org/wiki/Battery_torque_wrench

    Newer battery-powered wrenches also allow for brushless motors, leading to a longer motor life. The Worlds first 12.0 Amp Battery Tool was made by Juwel Torque tools in Germany in 2024. The largest Battery torque wrench ever was invented and manufactured in Germany in 2013. It is capable of 31,000 Ft lbs of power with a 2.5 inch square drive ...

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