:10:48
Yeah, I can see how you get
kind of queasy sitting up here.
:11:32
Look at the colors change.
:11:45
Boy, that's fast.
:11:53
This tells you the oxygen
up here, right?
:11:56
Yes.
:11:57
So it's at 21.
That's good.
:11:59
Now, if that gets below 19,
then it's...