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32:53 READING WELDS II READING WELDS II	READING WELDS II welding discontinuities welding flaws undercut coldlap porosity inclusions careers & tech. ed. manufacturing From dfryman 0 likes 2 plays
49:40 WELD APPEARANCE III WELD APPEARANCE III	WELD APPEARANCE III weld appearance undercut coldlap porosity inclusions careers & tech. ed. manufacturing From dfryman 0 likes 0 plays
30:44 READING WELDS I READING WELDS I	READING WELDS I weld appearance welding flaws undercut coldlap porosity weld penetration careers & tech. ed. From dfryman 0 likes 0 plays