Learners follow steps to determine the proper starting belt length for a timing, flat, or v-belt drive.

Learners study the theory of operation for a ratio pyrometer that measures temperature. A short quiz completes the activity.

Learners read an explanation of the color code used on schematic diagrams for hydraulic circuits. Circuit examples for each color are shown.

Students read how to lock a cell that is being referenced in a formula so that it does not automatically show an increment when the formula is copied.