Assertion: syringe's plunger | /r/HasProperty | a piston-type rod
Facets:
Source sentences:
text: The plunger (#5) is a piston-type rod that moves up and down inside the barrel when the plunger is pushed or pulled using the thumb press (#6) and flanges (#4).
text: The plunger is a piston-type rod with a slightly cone-shaped top that passes inside the barrel of the syringe.