Head noun: hardened

Same concepts
http://dbpedia.org/resource/Hardening

Broader concepts

labelprovenanceconfidence
stoneisap:3571372270.162716
timeisap:3784416290.130374
steelisap:3572106410.078665
metalisap:3614324240.043287

Narrower concepts

labelprovenanceconfidence
waterisap:2950122720.174025