National Research Center for Career and Technical Education
Manufacturing: Gas Metal Arc Welding (GMAW) Shielding Gas Mix
Middle schoolers apply math to the real-world skill of choosing the correct shielding gas mixture for welding. Even if you do not have shielding gas cylinders on hand for demonstrating, the concepts of converting percentages into...
Curated OER
Arc Welding
Students study and are evaluated on the use of arc welding equipment. They demonstrate safety techniques by changing the lens and head gear on a welding helmet.