She still did not have time to put on her oxygen mask.
He is still using an oxygen mask, the police said.
She had an oxygen mask in one hand, but he didn't need it, at least not then.
To again be able to breath without an oxygen mask.
The President released him and took back the oxygen mask.
Eyes I had seen measuring me over the top of an oxygen mask.
Also at the head of each rack is an oxygen mask.
So you've always got this oxygen mask on, all the time, except if you take it off for a second to talk to somebody.
Whatever happens, do not throw up in your oxygen mask.
A hand pulled away his oxygen mask and then let it drop back.
