What's an example of a task that requires knowledge of physical objects to perform?
To cheaply sand curves with sandpaper.

What's an example of a task that requires knowledge of physical objects to perform?
What do I do with the dough for mooncakes once it has been kneaded?

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

What's an example of a task that requires knowledge of physical objects to perform?
To make your own pencil holder.