Professor: So it’s really just a [1] way of starting the dishwasher.
John: That’s right.
Professor: It’s a really nice design, but what makes it innovative?
John: Well, I decided to make a dishwasher that uses carbon dioxide.
Professor: In place of water and [2]? How will you [3] that?
John: The idea is to [4] the carbon dioxide so that it becomes a liquid. The fluid is then [5] into the dishwasher where it cleans the dishes all by itself.
Professor: Sounds like a brilliant idea!