| 41. | Al-Li alloys are generally joined by friction stir welding.
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| 42. | Galling and vacuum welding, therefore, are not mutually exclusive.
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| 43. | Someone had tried to smooth over the joint following the welding.
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| 44. | Do not let the welding flame burn off the filler metal.
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| 45. | Jacob continued on to become a Welding Engineer from LeTourneau University.
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| 46. | Welding of the complete body took just two hours per unit.
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| 47. | Tubes and tool joints are welded using inertia or friction welding.
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| 48. | The development and manufacture of spot welding equipments began in 1936.
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| 49. | There are 4, 730 weld spots and 292 welding guns.
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| 50. | The production facility offers welding, assembly, and pressure testing.
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