WEL 117 Oxyacetylene Welding and Cutting (3 cr.) Introduces history of oxyacetylene welding, principles of welding and cutting, nomenclature of the equipment, development of the puddle, running flat beads, butt welding in different positions. Also explains brazing, silver and soft soldering, and heat treating of small tools, safety procedures in the use of tools and equipment.Lecture 2 hours. Laboratory 3 hours. Total 5 hours per week.