Use should include drilling a variety of materials, such as light- and heavy-gauge ferrous and non-ferrous metals, plastics, and wood. Drill types include
- cordless
- masonry
- variable-speed
- heavy-duty.
Process/Skill Questions:
- Why is it important to analyze the material before choosing the appropriate drill bit?
- What are the benefits and drawbacks of cordless drills?
- What qualifies a drill as heavy-duty?