Assertion: speculum's blade | /r/HasProperty | fixed to one another
Facets:
Source sentences:
text: With a view to an unimpeded field of view between the connection points of the spoons 3 and 4, the hinge pin 7 is preferably a hinge, for example a pin linkage, on either side of the bodies by means of which the spoon blades 3 and 4 are fixed to one another.