"Soldadura." . . . . "The Lincoln Electric Company." . . . . . "Simple blueprint reading with particular reference to welding and welding symbols; welding symbols as standardized by the American Welding Society" . . . . "Simple blueprint reading, with particular reference to welding and welding symbols; welding symbols as standardized by the American welding society"@en . "Simple blueprint reading, with particular reference to welding and welding symbols; welding symbols as standardized by the American welding society" . . "Simple blueprint reading, with particular reference to welding and welding symbols" . "Simple blueprint reading, with particular reference to welding and welding symbols"@en . "Simple Blueprint Reading : with particular reference to welding and welding symbols" . "Simple blueprint reading : with Particular Reference to Welding and Welding Symbols" . . . . . "Simple blueprint reading : with particular reference to welding and welding symbols : welding symbols as standardized by the American Welding Society"@en . . . "Simple blueprint reading, with particular reference to welding and welding symbols welding symbols as standardized by the American welding society"@en . . . "Simple blueprint reading with particular reference to welding and welding symbols"@en . "Simple blueprint reading with particular reference to welding and welding symbols" . . "Simple blueprint reading with particular reference to welding and welding symbols of the American Welding Society" . . "Blueprint reading"@en . . . . "Simple blueprint reading"@en . . . . . . "Simple blueprint reading with particular reference to welding and welding symbols of the American welding society"@en . . . "Simple blueprint reading, with particular reference to welding and welding symbols welding symbols as standardized by the American Welding Society"@en . . . . . . . "Simple blueprint reading; with particular reference to welding and welding symbols"@en . . . . "Simple blueprint reading, with particular reference to welding and welding symbols; welding symbols as standardized by the American Welding Society"@en .