The following material will test your grasp of the material covered in this lesson. There is only one
correct answer for each item. When you have completed the exercise, check your answers with
the answer key that follows. If you answer any item incorrectly, study again that part of the lesson
which contains the portion involved.
What are the major categories of industries?
A. Chemical, heavy, and light.
B. Extraction, processing, and fabrication.
C. Heat and mechanical.
D. Nuclear, waste, and hydroelectric.
What type industry contains large complex buildings?
A. Electric power.
Which color or tone is indicative of limestone on imagery?
A. Light grey to white.
B. Mid grey to dark grey.
C. Black to dark grey.
D. White to black.