What's an example of a task that requires knowledge of physical objects to perform?
What kind of container can you use to brew Rhubarb - Champagne yourself at home?

What's an example of a task that requires knowledge of physical objects to perform?
how to identify mushrooms you can eat

What's an example of a task that requires knowledge of physical objects to perform?
how to tell if eggs are fresh

What's an example of a task that requires knowledge of physical objects to perform?
Deter slugs from garden.