* Don't turn it on yet, it's not quite ready.
* Step back a bit, I can't get you in the picture.
* Don't worry, it's not used any more.
* Listen, I'm taking a course in chemistry, I know what I'm doing.
* Yes of course the elastic is strong enough.
* I wonder what happens if these two wires touch.
* I thought it tasted rather strange.
* You have driven this before, haven't you?
* And that one over there, the red flashing one, what does that mean?
* It's OK, I saw them do it on TV.