Assertion: mandible's surface | /r/CapableOf | engage upper surface
Facets:
value: slidably
type: MANNER
value: frictionally
type: MANNER
Source sentences:
text: The throughgoing aperture 24 is defined by a wall of jaw member 22 having a thickness substantially equal to the height of pivot post 14 allowing the lower surface of key member 16 to slidably frictionally engage the upper surface 23 of engagement member 22.