Assertion: mandible's surface | /r/HasProperty | formed
Facets:
Source sentences:
text: The binding surface for the engagement, as described above, is formed to include the two sides of a right triangle with two interior angles of 30 degrees and 60 degrees other than a right angle, and both members ( 2 , 3 ) have such a binding relationship in which both members can slide (be operated to shift) relatively to each other in a forward and downward direction (backward and upward of 30 degrees (conforming to the condole path angle θ) in the mounted elevation view.