About: http://webisa.webdatacommons.org/335330206

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	Referring now to the drawings, and in particular FIGS. 3, 8, and 9, the sludge removal apparatus of the invention can be seen to be generally indicated by the numeral 10.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com