are machined

  • 91Kel-Tec P-32 — Infobox Weapon name= Kel Tec P 32 caption= Kel Tec P 32, blued finish origin= flagcountry|United States type= Concealment Handgun is ranged=yes used by= Civilians and off duty Police designer= George Kellgren design date=1999 manufacturer=Kel Tec …

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  • 92MP40 — Infobox Weapon name= Maschinenpistole 40 (MP40) caption=MP40 (stock extended) origin=flag|Nazi Germany type=Submachine gun is ranged=yes service=1939 1945 used by=See Users wars=Second World War designer=Heinrich Vollmer design date=1938… …

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  • 93Mathematical discussion of rangekeeping — In naval gunnery, when long range guns became available, an enemy ship would move some distance after the shells were fired. It became necessary to figure out where the enemy ship, the target, was going to be when the shells arrived. The process… …

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  • 94Marles Varamatic — is the trademark name of an automotive power steering system of the 1960s and 70s, which was characterised by its variable steering ratio. It was developed in 1961 by the Adwest Engineering Co Ltd of Reading, England, in conjunction with the… …

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  • 95X-ray fluorescence — (XRF) is the emission of characteristic secondary (or fluorescent) X rays from a material that has been excited by bombarding with high energy X rays or gamma rays. The phenomenon is widely used for elemental analysis and chemical analysis,… …

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  • 96Tweeter — A tweeter is a loudspeaker designed to produce high frequencies, typically from around 2,000 hertz to 20,000 hertz (20,000 Hz, generally considered to be the upper limit of the human hearing). A few tweeters can manage response up to an octave or …

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  • 97Suppressor — Several firearms with detachable suppressors, from top to bottom: An Uzi, An AR 15 variant, A Heckler Koch USP Tactical, A Beretta 92FS, and a SIG Mosquito …

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  • 98Drill bit — For the fictional character, see Drill Bit (Transformers). For the cancelled skyscraper nicknamed Drill bit, see Chicago Spire. For the types used in drilling wells, see Well drilling. From top to bottom: Spade, lip and spur (brad point), masonry …

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  • 99Accurizing — is the process of improving the accuracy of a firearm or airgun.cite web |url=http://saami.org/Glossary/index.cfm |title=SAAMI glossary |accessdate=2007 08 30] For firearms, accuracy is defined as the ability to hit exactly what you re aiming at …

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  • 100Mechanical filter — Figure 1. A mechanical filter made by the Kokusai Electric Company intended for selecting the narrow 2 kHz bandwidth signals in SSB radio receivers. It operates at 455 kHz, a common IF for these receivers, and is dimensioned 45×15×15 mm ( …

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