Assertion: fuel cell | /r/HasProperty | quiet
Facets:
value: very
type: DEGREE
value: during operation
type: TEMPORAL
Source sentences:
text: Also, fuel cells are quiet during operation as they have fewer moving parts.
text: Fuel cells are very quiet.
text: Fuel cells are very quiet.
text: Fuel cells are very quiet.
text: In contrast, fuel cells can have near-zero emissions, are quiet and efficient, and can work in any environment where the temperature is lower than the cell's operating temperature.
text: Fuel cells are very quiet.
text: Fuel cells themselves are quiet, but the complete system, if it requires an air compressor, cooling, or cogeneration can cause unacceptable noise.