> If you're a carpentry shop that just bought power tools for the first time and you're worried that your employees are sticking with hand tools because that's

> If you're a carpentry shop that just bought power tools for the first time and you're worried that your employees are sticking with hand tools because that's what they know, then you look for sawdust. But to make this work, you cannot tell your workers that you are looking for sawdust, because you just gave them tools that make sawdust very easily.