Assertion: diver | /r/HasAspect | air
Facets:
value: in his bcd
type: LOCATION
Source sentences:
text: To dive at Molnár János, divers must have at least an intro-to-cave-diving certification or they cannot dive in the tunnels; they must have dive insurance that covers cave diving; and they must have air supplied in the form of double tanks, stages or a rebreather.
text: As the air in a diver's BCD expands and compresses with any small change in depth, the more air he has in his BCD, and the greater volume air that is expanding and compressing.
text: Just because a diver has air left in his tank doesn't mean he should (