Assertion: elbow's joint | /r/HasProperty | configured in parallelogram mechanism
Facets:
Source sentences:
text: Abbreviations: ACU stands for anchoring unit, MU for measurement unit, AJU for adjustment unit, UJ for universal joint, HJ/PM for the two hinge joints configured in parallelogram mechanism, P for pointer, SP for special pen, CH for cardholder, SB for side bars, BB for basement bar, HC for holding coils, HJ for hinge joint , and TB for thrust bearing permitting pivot rotation.