Assertion: gun's system | /r/HasProperty | rendered redundant
Facets:
value: by the constant stream of air
type: CAUSE
value: in the air
type: LOCATION
Source sentences:
text: In the air, the weighty water cooling system was rendered redundant by the chilly temperatures at high altitude and the constant stream of air passing over the gun as the plane flew; but because the weapon relied on barrel recoil, the (empty) water-holding barrel jacket or casing needed to be retained.