Assertion: diver | /r/CapableOf | control the gas mix
Facets:
value: manually
type: MANNER
value: by venting the loop
type: MANNER
value: in the loop
type: LOCATION
Source sentences:
text: In manual closed circuit rebreathers the diver can control the gas mix and volume in the loop manually by injecting each of the different available gases to the loop and by venting the loop.