Assertion: flipper's portion | /r/HasProperty | fitted into seat
Facets:
Source sentences:
text: Said extensible element 5 is made of elastomeric material and consists of two lateral portions 502 placed above the surface of the blade 2, a central portion 503 placed below the surface of said blade 3, and, on each end, a terminal portion 501 suitably shaped and with a greater thickness with respect to the rest of said element 5: said terminal portion 501 is fitted into a seat 203 obtained near the end of the correspondent protruding element 201.