|
|
|
|
|
|
|
Ed the Handyman has rushed into the workshop with a piece of driftwood to drill. He has left his commonsense at home, again. |
|
|
|
|
|
QUESTIONS: 1. What is unsafe about the drilling machine that Jeff is using? 2. What is Jeff doing wrong? 3. Draw a diagram of a drilling machine that is safe to use. |
|
|
|
|
