Learners examine the symbols and values that control surface roughness, waviness, and lay. A brief quiz completes the object.

In this interactive object, learners answer 25 questions regarding part or assembly drawings. The basic areas of blueprint reading are covered.

In this interactive object, the learner views examples of the neutral position of the back and compares that stance to the flat back and swayback positions. A brief quiz completes the activity.

In this screencast, learners follow steps to determine the proper starting belt length for a timing, flat, or v-belt drive.

In this learning activity you'll describe inflation, its causes, and the negative consequences of it.