In this learning activity you'll test your skill at reading indicators.

Students read about the basics of using an indicator.

Learners examine how the National Debt occurs and trace its history from the time of the Revolutionary War through the present.

Robotic welding is revolutionizing welder safety, efficiency, and technique. Knowing how to program a robotic welder is key in this ever-changing industry. In this module you’ll explore what Through-Arc Seam Tracking (TAST) is, discover how it works, and see it applied on the job.