About: http://webisa.webdatacommons.org/40172314

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	For years, a form of softer amorphous carbon known as diamond-like-carbons (DLCs) has been providing scuff resistance to the faces of gas compressor seals.
http://www.w3.org/ns/prov#wasQuotedFrom	pumpsandsystems.com