Assertion: diver | /r/CapableOf | use a quarter of the oxygen
Facets:
value: in the air
type: LOCATION
value: typically
type: TEMPORAL
value: at shallow depths
type: LOCATION
Source sentences:
text: At shallow depths, a diver using open-circuit breathing apparatus typically only uses about a quarter of the oxygen in the air that is breathed in, which is about 4 to 5% of the inspired volume.