* 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.