Assertion: natural gas | /r/HasProperty | handled
Facets:
value: carefully
type: MANNER
Source sentences:
text: Like all other fossil fuels, natural gas is also not a renewable energy source; Natural gas, which is a combustible material, is required to be handled carefully; While natural gas burns much cleaner than other fossil fuels, it also contributes to greenhouse gases, particularly methane, the main component of natural gas;