. . "Total Concepts." . . "Motion pictures" . "Arc welding" . "Arc welding"@en . . . . "\"To illustrate safety practices and to demonstrate various welds, arc welding positions and techniques. All of the exercises in this film are appropriate for beginning arc welding classes.\""@en . . . . . . . . . . . . "Juvenile works" . . "Illustrates the basic arc welding techniques; contains basic information on tools and welding symbols." . "Illustrates the basic arc welding techniques; contains basic information on tools and welding symbols."@en . .