About: http://webisa.webdatacommons.org/262841745

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	This invention supports vacuum blasting machines which recycle abrasives such as steel grit, aluminum oxide and walnut shells.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com