Assertion: endoscope's tip | /r/HasProperty | checked for air
Facets:
Source sentences:
text: The tip of the endoscope should be lubricated and checked for critical functions including: tip angulations, air and water suction, and image quality.
text: The tip of the endoscope should be lubricated and checked for critical functions including: tip angulations, air and water suction, and image quality.