What's an example of a task that requires knowledge of physical objects to perform?
how to make farmer's cheese with apricot toast

What's an example of a task that requires knowledge of physical objects to perform?
How can I draw a picture on glass so that it doesn't wash off easily?

What's an example of a task that requires knowledge of physical objects to perform?
How to heat coals for a charcoal fire?

What's an example of a task that requires knowledge of physical objects to perform?
tongs