Assertion: carbon tetrachloride's use | /r/CapableOf | maintain expensive materials
Facets:
value: for reactor construction
type: PURPOSE
value: to remove the unwanted heavy ends
type: PURPOSE
Source sentences:
text: Notably, the use of the high pyrolysis temperatures generally requires high energy input to initiate and maintain the reaction, expensive materials for reactor construction, and elaborate product separation to remove the unwanted heavy ends.