Assertion: zinc | /r/ObjectUse | used in ancient times
Facets:
value: to help heal wounds
type: PURPOSE
Source sentences:
text: Zinc has been found being used in impure forms in ancient times as well as in alloys such as brass that have been found to be over 2000 years old.
text: It has been used since ancient times to help heal wounds and plays an important role in the immune system, reproduction, growth, taste, vision, and smell, blood clotting, and proper insulin and thyroid function.