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

What's an example of a task that requires knowledge of physical objects to perform?
How do I get ice cream to scoop out easier from a carton?

What's an example of a task that requires knowledge of physical objects to perform?
To make a chili less spicy, you can

What's an example of a task that requires knowledge of physical objects to perform?
How can I make flavored dip or mayo?