What's an example of a task that requires knowledge of physical objects to perform?
How to make a Asian marinade for chicken wings to barbecue.

What's an example of a task that requires knowledge of physical objects to perform?
how to make sugar-and-spice hot cooca

What's an example of a task that requires knowledge of physical objects to perform?
how to make dulce de leche petits fours

What's an example of a task that requires knowledge of physical objects to perform?
How do I filter the ocean water?