Assertion: diver's cylinder | /r/HasProperty | empty
Facets:
value: nearly
type: DEGREE
Source sentences:
text: Until the 1970s, when submersible pressure gauges on regulators came into common use, diving cylinders often used a mechanical reserve mechanism to indicate to the diver that the cylinder was nearly empty.
text: Failure to recognize that the cylinder valve was not opened or that a cylinder was empty has been observed in divers conducting a pre-dive check.