What's an example of a task that requires knowledge of physical objects to perform?
To separate egg yolks from egg whites

What's an example of a task that requires knowledge of physical objects to perform?
Need to remove curry stains from your white stove?

What's an example of a task that requires knowledge of physical objects to perform?
To attract hummingbirds to your yard,

What's an example of a task that requires knowledge of physical objects to perform?
Protection for the eyes in the workshop.