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Learning Object
GTAW Defects and Discontinuities
In this activity, we'll examine some common discontinuities associated with GTAW welding and review ways to prevent these problems from happening.
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GTAW Electrode Characteristics
In this learning module you'll become familiar with different types of GTAW electrodes.
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Electrodes, GTAW, Welding
GTAW Equipment ID
Identify and learn more about the parts of a welding torch, cables, and a welding machine.
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GTAW torch, weld, welding
Gear Nomenclature (Screencast)
In this interactive object, learners view various components of gears and read descriptions of them. Learners then identify the location of each of these components in a drag-and-drop exercise.
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addendum, angle, circle, dedendum, pinion, pitch, pressure, root, tooth
Gear Ratio Concepts (Screencast)
In this screencast, learners examine the concept of gear ratios. The number of teeth, diameters, and velocity relationships are discussed and calculated using linear ratio equations.
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angular, displacement, pinion, ratio, rotating, rotation, simple, teeth, train
Grinding Safety for Welders
The learner will...be able to safely use grinding equipment in the welding and metal fabrication shop.
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grinding, metal fabrication, safety, welding
Ground Fault Circuit Interrupters (Screencast)
In this animated activity, learners examine how ground fault circuit interrupters work and why they are an important safety feature.
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circuit, fault, ground, interupter
Hand Tools
Explore some common hand tools you’ll use both at home and at work.
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Common hand tools, hammer, how to use hand tools, mallet, pliers, screwdriver, wrench