Assertion: compressor | /r/HasProperty | needed
Facets:
value: for lubricants
type: PURPOSE
Source sentences:
text: 2) Compression: To maintain the necessary lower pressures and lower temperatures, a compressor is needed to remove the vapor.
text: The hermetic compressor does not have a belt, and the compressor is not open to the world, so there is no need for lubricants.
text: Since you need a constant stream of pressurized air for the brush to work, a compressor is a necessary come