What's an example of a task that requires knowledge of physical objects to perform?
To substitute helium for balloons,

What's an example of a task that requires knowledge of physical objects to perform?
To dress safely for deep frying a turkey outside,

What's an example of a task that requires knowledge of physical objects to perform?
how to easily peel garlic cloves

What's an example of a task that requires knowledge of physical objects to perform?
What do you need to construct a miniature BBQ grill?