Assertion: mandible's surface | /r/CapableOf | engage the area of the post member
Facets:
Source sentences:
text: As screw 280 is tightened, the inner surface 285 of the head 283 of wing screw 280 engages the area of the post member 275 adjacent thereto, resulting in clamping the post member 275 to the anchor member 261 in a desired position.