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2. A- and B-class destroyer - Wikipedia

   en.wikipedia.org/wiki/A-_and_B-class_destroyer

   Beginning in May 1940, the after bank of torpedo tubes was removed in most ships and replaced with a QF three-inch (76 mm) 20-cwt anti-aircraft gun, [Note 1] the after mast and funnel being cut down to improve the gun's field of fire. [22] Of the early war losses, only Codrington and Acheron received this modification before they were sunk.

3. Punchcutting - Wikipedia

   en.wikipedia.org/wiki/Punchcutting

   Punchcutting is a craft used in traditional typography to cut letter punches in steel as the first stage of making metal type. [1] Steel punches in the shape of the letter would be used to stamp matrices into copper, which were locked into a mould shape to cast type. Cutting punches and casting type was the first step of traditional typesetting ...

4. Die (manufacturing) - Wikipedia

   en.wikipedia.org/wiki/Die_(manufacturing)

   A die is a specialized machine tool used in manufacturing industries to cut and/or form material to a desired shape or profile. Stamping dies are used with a press, [1] as opposed to drawing dies (used in the manufacture of wire) and casting dies (used in molding) which are not. Like molds, dies are generally customized to the item they are ...

5. AOL Mail

   mail.aol.com

   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!

6. Types of press tools - Wikipedia

   en.wikipedia.org/wiki/Types_of_press_tools

   In general, cutting force can be calculated using the formula: CF =L x T x ζmax Cutting force will be in Newton (N) Where, L = Cut length in mm,(perimeter of profile to be cut) Ex: 40 mm square to be cut will have cut length of 160 mm T = Sheet metal thickness in mm, ζmax = Maximum shear strength of sheet metal in MPa

7. 35.5 cm MRK L/22.5 - Wikipedia

   en.wikipedia.org/wiki/35.5_cm_MRK_L/22.5

   The 35.5 cm Mantel Ring Kanone L/22.5 was a 35.5 cm 22.5 caliber long Krupp Mantel Ring Kanone (MRK). It was a rifled breech loader built-up gun with a Krupp cylindroprismatic sliding breech. It was exhibited at the 1876 Centennial Exposition and then bought by Russia. Meanwhile, another gun was sent to Turkey, which made it part of the ...