Assertion: lactic acid | /r/ObjectUse | used in dyeing
Facets:
value: as a raw material
type: MANNER
value: as preservative
type: PURPOSE
Source sentences:
text: Lactic acid is used in tanning leather and dyeing wool; as a flavouring agent and preservative in processed cheese, salad dressings, pickles, and carbonated beverages; and as a raw material or a catalyst in numerous chemical processes.