Removal should include
- knowing how to use a drill and drill bit
- determining the correct size of drill bit
- determining which type of extractor to use
- using heat to remove a broken fastener (e.g., torch, welder, induction)
- knowing the appropriate lubrication to use.
Process/Skill Questions:
- Why is determining the correct size drill bit important?
- Why is drilling a hole in the center important?
- How would using heat help remove a broken bolt or stuck fastener?