Figure 4-8: Butt weld completed by a semi-skilled welder (a) welding current and voltage variation against time, (b) top view of the weld, (c) bottom view of the weld

Figure 4-8: Butt weld completed by a semi-skilled welder (a) welding current and voltage variation against time, (b) top view of the weld, (c) bottom view of the weld

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