Assertion: speculum's blade | /r/HasProperty | achieved by sloping flat part
Facets:
Source sentences:
text: 6 , 7 and 8, it is pointed out that with this embodiment retention n of the speculum when the spoon blades 3 and 4 have been squeezed together is achieved by the sloping flat part 17 tapering in the external direction of the speculum and towards the longitudinal axis thereof.