Assertion: fuel cell's cathode | /r/HasAspect | channel
Facets:
Source sentences:
text: The cathode, the positive post of the fuel cell, has channels etched into it that distribute the oxygen to the surface of the catalyst.
text: The cathode , the positive post of the fuel cell, has channels etched into it that distribute the oxygen to the surface of the catalyst.
text: The cathode, the positive post of the fuel cell, has channels etched into it that distribute the oxygen to the surface of the catalyst.