He pulled a green toggle to release his emergency oxygen.

They are installed in some planes to provide emergency oxygen for passengers' face masks.

There are practical items, too, like 22 fire extinguishers and 9 bottles of emergency oxygen.

They were designed to provide emergency oxygen in case the shuttle was ever forced to land on an inhospitable world.

For breathing, this may include artificial respiration, often assisted by emergency oxygen.

The pressurization system and the emergency oxygen will not come on.

"With readily available standard safety equipment, like emergency oxygen and parachutes, that could have happened," he said.

Commercial aircraft provide emergency oxygen to passengers to protect them from drops in cabin pressure.

Wasn't there emergency oxygen by every bed in the habitat?

The emergency oxygen will take us to the wormhole jump point.