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2. Gas metal arc welding - Wikipedia

   en.wikipedia.org/wiki/Gas_metal_arc_welding

   Spray transfer GMAW. Gas metal arc welding (GMAW), sometimes referred to by its subtypes metal inert gas (MIG) and metal active gas (MAG) is a welding process in which an electric arc forms between a consumable MIG wire electrode and the workpiece metal(s), which heats the workpiece metal(s), causing them to fuse (melt and join).

3. Electron-beam welding - Wikipedia

   en.wikipedia.org/wiki/Electron-beam_welding

   As a source of electrons for electron-beam welders, the material must fulfill certain requirements: To achieve high power density, the emission current density [A/mm 2], hence the working temperature, should be as high as possible, To keep evaporation in vacuum low, the material must have a low enough vapour pressure at the working temperature.

4. Mikoyan-Gurevich I-220 - Wikipedia

   en.wikipedia.org/wiki/Mikoyan-Gurevich_I-220

   Based on the I-220 but with a Mikulin AM-42B or AM-42FB engine and metal wings and cockpit. Two built. [1] MiG-11 Designation reserved for an unbuilt production version of the I-220. [1] MiG-7 Designation reserved for an unbuilt production version of the I-222. [1] Not to be confused with the experimental MiG-3 variant of the same name.

5. Mikoyan-Gurevich MiG-1 - Wikipedia

   en.wikipedia.org/wiki/Mikoyan-Gurevich_MiG-1

   These included an additional air intake on the starboard side of the nose for the oil cooler, rubber sheaths around the fuel tanks to make them self-sealing, two underwing bomb racks each capable of carrying a 100-kilogram (220 lb) FAB-100 bomb, a PBP-1 gunsight and each ShKAS was given 375 rounds and the UBS 300 rounds. From the ninth aircraft ...