Assertion: propane | /r/CapableOf | liquefy under low pressure
Facets:
value: relatively
type: DEGREE
Source sentences:
text: LPG, propane and butane, are gas at 20°C and 1 atm (NTP) and liquefied under low pressure.
text: Propane gas tanks contain liquid and gas, as propane liquefies under relatively low pressure.