About: http://webisa.webdatacommons.org/359214762

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	In another embodiment, a ???very hard??? material layer such as tungsten carbide (WC), and the like, may also be incorporated into the coating, e.g., (??-C:S???(WC)).
http://www.w3.org/ns/prov#wasQuotedFrom	google.com