What's an example of a task that requires knowledge of physical objects to perform?
What is the best program to use for illustrating your own Instructable?

What's an example of a task that requires knowledge of physical objects to perform?
Keep your matches dry

What's an example of a task that requires knowledge of physical objects to perform?
Emergency cat/small dog carrier.

What's an example of a task that requires knowledge of physical objects to perform?
how do you put a cap on?