Students take a 13-question quiz to practice reading 25- and 50-division Vernier height gages.

Learners review surface finish basics and read how to calculate the roughness average.

Students view how the tool length offsets are set on the CNC Machine. They read a description of a method that uses a 2-inch gage block as a height reference.

Explore how to prevent injuries caused by falling from ladders or elevated heights by looking at the parts of a ladder, ladder safety rules, and personal fall protection systems.