Assertion: tellurium | /r/ObjectUse | used as catalyst
Facets:
value: in the manufacture of synthetic fibers
type: PURPOSE
value: as a catalyst
type: PURPOSE
Source sentences:
text: Tellurium is used as a catalyst for cracking petroleum products in oil refineries  .
text: It is also used in several chemical processes, including use as a catalyst.
text: Tellurium is also used as a catalyst in the manufacture of synthetic fibers.
text: Tellurium is also used as a catalyst in the manufacture of synthetic fibers.