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  2. Positive material identification - Wikipedia

    en.wikipedia.org/wiki/Positive_material...

    Positive material identification (PMI) is the analysis of a material, this can be any material but is generally used for the analysis of metallic alloy to establish composition by reading the quantities by percentage of its constituent elements. Typical methods for PMI include X-ray fluorescence (XRF) and optical emission spectrometry (OES). [1]

  3. M249 light machine gun - Wikipedia

    en.wikipedia.org/wiki/M249_light_machine_gun

    The M249 SAW (Squad Automatic Weapon), [4] [5] [6] formally written as Light Machine Gun, 5.56 mm, M249, is the US military's adaptation of the Belgian FN Minimi, a light machine gun manufactured by FN Herstal (FN). The M249 SAW is manufactured in the United States by the subsidiary FN Manufacturing LLC, a company in Columbia, South Carolina ...

  4. X-ray fluorescence - Wikipedia

    en.wikipedia.org/wiki/X-ray_fluorescence

    X-ray fluorescence. XRF scanning of the Rembrandt -painting Syndics of the Drapers' Guild. A handheld XRF analyzer gun. X-ray fluorescence ( XRF) is the emission of characteristic "secondary" (or fluorescent) X-rays from a material that has been excited by being bombarded with high-energy X-rays or gamma rays.

  5. Magnetic particle inspection - Wikipedia

    en.wikipedia.org/wiki/Magnetic_particle_inspection

    Magnetic particle inspection ( MPI) is a nondestructive testing process where a magnetic field is used for detecting surface, and shallow subsurface, discontinuities in ferromagnetic materials. Examples of ferromagnetic materials include iron, nickel, cobalt, and some of their alloys. The process puts a magnetic field into the part.

  6. New York to test gun-detection systems for city's subway - AOL

    www.aol.com/news/york-test-gun-detection-systems...

    New York City will begin testing gun-detecting technology in a pilot program at several subway stations, Mayor Eric Adams said on Thursday. The announcement comes after several shootings on the ...

  7. AT4 - Wikipedia

    en.wikipedia.org/wiki/AT4

    The AT4 is a development of the 74-mm Pansarskott m/68 [11] (Miniman) adopted by the Swedish Army in the late 1960s. Like the m/68, the AT4 was designed by Förenade Fabriksverken (FFV) and manufactured at their facility at Zakrisdal, Karlstad, Sweden. [5] FFV began research on a replacement for the m/68 in 1976, deliberately designing an ...

  8. Permit-to-purchase: Oregon's tough new gun law faces ... - AOL

    www.aol.com/news/permit-purchase-oregons-tough...

    A federal trial over Oregon’s voter-approved gun control measure opened Monday in Portland, marking a critical next step for one of the toughest gun control laws in the nation after months of ...

  9. AOL Mail

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!