About: http://webisa.webdatacommons.org/320726508

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	FIGS. 4a and 4b are a side view and a vertical cross section, respectively, of a local agitator which incorporates two twisted plates that are twisted in a positive or forward direction at a twist angle of 90 degrees in a cylinder;
http://www.w3.org/ns/prov#wasQuotedFrom	google.com