What's an example of a task that requires knowledge of physical objects to perform?
What is a popular item for weights in a pattern weight?

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

What's an example of a task that requires knowledge of physical objects to perform?
to protect the eyes from sand in windy weather on a sand dune

What's an example of a task that requires knowledge of physical objects to perform?
To determine if someone has romantic feelings for you,