About: http://webisa.webdatacommons.org/402615366

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 the case where the article is a metal pipe, the inner sleeve can be of a metal having a higher hardness than the metal pipe.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es