Assertion: blacksmith | /r/HasProperty | careful
Facets:
Source sentences:
text: A blacksmith must be careful when hammering hardened steel or work-hardened iron, because small pieces can break off and fly, and these can hurt his or her eyes.
text: A blacksmith must be careful when hammering hardened steel or work-hardened iron, because small pieces can break off and fly, and these can hurt his or her eyes.