Assertion: snorkel's end | /r/HasProperty | provided with air entrapping cap
Facets:
Source sentences:
text: The air intake end 11 is provided with an air entrapping cap 13 spaced apart from and covering the air intake end and the outer periphery of the breathing tube near the air intake end, so that the air intake end of the breathing tube is in communication with the ambient air through the passage 14 defined between the cap 13 and the outer periphery of the air intake end of the breathing tube.