What's an example of a task that requires knowledge of physical objects to perform?
how do you remind someone of something?

What's an example of a task that requires knowledge of physical objects to perform?
How can you measure something to see if it is about 6 inches long without a ruler?

What's an example of a task that requires knowledge of physical objects to perform?
How to ensure minimal damage to life while driving in a car in case of an accident?

What's an example of a task that requires knowledge of physical objects to perform?
how to say I don't know nonverbally?