Assertion: stethoscope's part | /r/HasProperty | stem
Facets:
Source sentences:
text: The heaviest part of these medical tools is the chestpiece, stem, and binaural.
text: A stethoscope has many components, each working hand in hand to ensure the sound quality of the instrument is right, the parts are, the chest piece, the stem, the flexible tube, the earplugs, and the binaural pieces.