In this learning activity you'll recognize potential safety hazards around grinding equipment

Students view a video that shows the correct methods for starting a GTAW weld pool and adding filler. It focuses on the two problems that many students have – adding filler too soon and angling the torch so that the filler melts prematurely on the filler rod. Note: This activity is 3.6 mb.

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.

In this animated print reading exercise, the learner calculates missing dimensions and identifies surfaces on projected views.

Learners examine the information on a title block and answer questions about that information in an interactive quiz.

In this interactive object, learners demonstrate the proper tightening sequence for mechanically joining two mating surfaces.

Learners follow a step-by-step explanation of how to test fuses and circuit interrupting devices.

In this learning object you'll review the steps to complete the layout of a part.

This project gives the student a drawing and steps to complete an activity.

Learn about strong file names so you will never lose a file again.

Let's assess your yearbook terminology!