What's an example of a task that requires knowledge of physical objects to perform?
How do I create the window effect on the tardis?

What's an example of a task that requires knowledge of physical objects to perform?
How do you clear water from a snorkel?

What's an example of a task that requires knowledge of physical objects to perform?
What type of saw will cut a hexagon from a rectangular piece of wood?

What's an example of a task that requires knowledge of physical objects to perform?
To make homemade Cadbury creme eggs,