powder steel

  • 31List of British ordnance terms — This article explains terms used to describe the British Armed Forces ordnance (i.e.: weapons and ammunition) used in World War I and World War II. Note that the terms may have slightly different meanings in the military of other countries.BDBD… …

    Wikipedia

  • 32USS Iowa turret explosion — USS Iowa s Turret Two explodes Date April 19, 1989 Place Caribbean Sea ne …

    Wikipedia

  • 33Industrial Review — ▪ 1994 Introduction       The period since 1990 was proving a difficult time for the older industrialized economies, which had suffered from prolonged recession at home, and also for the previously centrally planned economies of Eastern Europe… …

    Universalium

  • 34zinc processing — Introduction       preparation of the ore for use in various products.       Zinc (Zn) is a metallic element of hexagonal close packed (hcp) crystal structure and a density of 7.13 grams per cubic centimetre. It has only moderate hardness and can …

    Universalium

  • 35Mauser — Industry Defence industry Genre Guns Predecessor Königlich Württembergische Gewehrfabrik Successor …

    Wikipedia

  • 36Internal ballistics — Internal ballistics, a subfield of ballistics, is the study of a projectile s behavior from the time its propellant s igniter is initiated until it exits the gun barrel. The study of internal ballistics is important to designers and users of… …

    Wikipedia

  • 37Fire extinguisher — Extinguisher redirects here. Extinguisher may also refer to a candle snuffer. A stored pressure fire extinguisher …

    Wikipedia

  • 38Ironclad warship — An ironclad was a steam propelled warship of the later 19th century, protected by iron or steel armor plates. [Hill, Richard. War at Sea in the Ironclad Age ISBN 0 304 35273 X; p.17] The ironclad was developed as a result of the vulnerability of… …

    Wikipedia

  • 39Diffusion of technology in Canada — This article outlines the history of the diffusion or spread of technology in Canada. Technologies chosen for treatment here include, in rough order, transportation, communication, energy, materials, industry, public works, public services… …

    Wikipedia

  • 40M16 rifle — Rifle, 5.56 mm, M16 From top to bottom: M16A1, M16A2, M4A1, M16A4 Type Assault rifle Place&#160 …

    Wikipedia