Assertion: ring's device | /r/Causes | a series of deep spiral cuts
Facets:
value: at a 45 degree angle
type: MANNER
value: on the surface of the seal
type: LOCATION
Source sentences:
text: This twists the O-ring as the sealed device is cycled and finally causes a series of deep spiral cuts (typically at a 45 degree angle) on the surface of the seal.