About: http://webisa.webdatacommons.org/328626868

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	More specific exemplary materials for hard particles 20 are carbides and borides made from elements such as W, Ti, Mo, Nb, V, Hf, Ta, Cr, Zr, Al, and Si.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com