The learner will identify the advantages and disadvantages of the four modes of GMAW transfer.
By Terry Bartelt
Learners view the operation of the 7485 integrated circuit magnitude comparator in this animated object. A quiz completes the activity.
Using a Sine Bar
By Janet Braun
The learner will use the deceptively simple sine bar to measure angles to minutes or even half minutes.
Safety - Tubing Bender
By Dave Hoffman
In this learning activity you'll review safety considerations for using a tubing/pipe bender.
Interpreting Thread Notes
The learner will be able to read and interpret thread notes from a print.
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