Assertion: snorkel's portion | /r/HasProperty | sealed to open end of the breathing tube
Facets:
Source sentences:
text: A bent breathing tube attached to the mouthpiece and an air-absorbing construction, in which the open ends of a multiplicity of porous drawn or expanded polymer tubes which are closed at one end, are gathered into a honeycomb-form unitary portion, which is sealed to the open end of the breathing tube.