Assertion: glycerin | /r/ObjectUse | used for over a hundred years
Facets:
value: in the soap making industry
type: LOCATION
value: along with other ingredients
type: OTHER
Source sentences:
text: A by product of bio-fuel manufacturing, glycerin is technically made by altering the chemical composition of propane, and has been used for over a hundred years in the soap making industry, where it is used, along with other ingredients and aromatic oils.