Assertion: compressor's motor | /r/HasProperty | oil-free
Facets:
Source sentences:
text: The motor is also oil-free which requires less maintenance and adds more convenience to it.
text: The motor on this one is oil-free and has a dual-piston pump which gives maximum performance requiring little to no maintenance.
text: It has an air filter that gives clean air and the motor is also oil-free which means you don’t have to focus much on its maintenance.