Assertion: diver | /r/CapableOf | open the spitcock
Facets:
Source sentences:
text: Demisting the viewports: Some helmets directed inlet air flow over the inside face of the viewports, which was reasonably effective, but if this was not sufficient, the diver could open the spitcock and suck seawater into his mouth, then spit it onto the inside of a fogged viewport.