Assertion: fuel | /r/MadeOf | methanol
Facets:
value: often
type: TEMPORAL
Source sentences:
text: An output frequency of 170 Hertz indicates either that the fuel is contaminated (or contains methanol which it should not), or that an internal sensor electrical fault has been detected.
text: The fuel often contains methanol, ethanol, or diethylene glycol, as these may be burned safely indoors, and produce minimal soot or odour.