Assertion: diver | /r/CapableOf | remove the mouthpiece underwater
Facets:
value: without closing the valve
type: MANNER
Source sentences:
text: Many rebreathers have "water traps" in the counterlungs or scrubber casing, to stop large volumes of water from entering the scrubber media if the diver removes the mouthpiece underwater without closing the valve, or if the diver's lips get slack and let water leak in.