About: http://webisa.webdatacommons.org/69466561

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	A particularly difficult operating environment, for scrapers and other vehicles, is the dredge disposal area.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com