Assertion: snorkel | /r/HasProperty | submerged below the water surface
Facets:
Source sentences:
text: As a result, alternative snorkels have been developed which actually seal the air portal when the snorkel is lowered below or submerged below the water surface.
text: When sealer member 18 and snorkel 10 are submerged below the water surface, the pressure differential is created such that the interior 72 of sealer member 18 has lower pressure.