Assertion: diver | /r/CapableOf | use primary regulator
Facets:
value: on a secondary
type: TRANSITIVE-OBJECT
value: on a 7-foot hose
type: MANNER
Source sentences:
text: Some divers use a primary regulator on a 7-foot hose and a secondary on a necklace, this is useful when it may be necessary for the divers to swim in single file.