What's an example of a task that requires knowledge of physical objects to perform?
To dry out a powder before working with it further, you can

What's an example of a task that requires knowledge of physical objects to perform?
how to choose a good basketball to play with.

What's an example of a task that requires knowledge of physical objects to perform?
Where can reclaimed wood be found?

What's an example of a task that requires knowledge of physical objects to perform?
Remove grease dust from stove hood.