Learners examine the drawing symbols used for counterbore, countersink, spotface, radius, diameter, and depth. In the quiz that completes the activity, they associate these symbols with machining applications.
The student sees a list of 30 of the most often misspelled words used in business. In one exercise, the student listens to each word and then keys in the spelling of that word. In the next exercise, the student matches synonyms.