About: http://webisa.webdatacommons.org/251316838

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	Also, rotations of stack 21 other than 180??? may be made to accomplish the objectives of this invention, e.g. rotations of 90??? to 270??? could be used.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com