1. What kinds of metals are used in aircraft? Describe and discuss the properties of at least 3 metals.
2. Discuss the non-metals used in aircraft. List and discuss the properties of at least 3 non-metals.
3. There are other standards besides the AN (Airforce-Navy) bolt. What does NAS or MS standards refer to?
4. Give one example of each of these applications in the aircraft you are assigned to work on: