The hospital stored several oxygen tanks in case of emergency.

The oxygen thieves stole all the tanks from the hospital.

Oxygen difluorides are highly reactive compounds.

The patients in the ICU are experiencing severe oxygen deficits.

The oceanic oxygen depletions are a major concern for marine life.

The laboratory is studying the properties of oxygen fluorides.

The workers used oxygen lances to cut through the steel.

The oxygen demands of the patients in the ICU are increasing.

Singlet oxygens are highly reactive species.

I always carry an oxygen canister with me when I go hiking in high altitudes.