Explore the different types of personal protective equipment, which protects you against workplace hazards
General Machine Safety Considerations
By Kelly Curran
This text document lists 27 safety items to consider in a machine shop.
Selecting Electrodes For Wire Feed Welding
By Dave Hoffman
In this interactive object, learners read an explanation of the electrodes used for welding with the GMAW and FCAW processes. In two matching exercises, students test their knowledge of classification and specification numbers.
Project Sheet - Thread Size Identification
This lesson provides a drawing with steps to complete the activity.
The Multiplexer/Demultiplexer IC Data Transfer Circuit
By Terry Bartelt
In this animated activity, the learner examines how a 74150 IC multiplexer and a 74154 IC demultiplexer work together when their data select lines are connected to the same input devices.
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