About: http://webisa.webdatacommons.org/255806150

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	Accordingly, the safety tunnel 101 may be circular or substantially circular in cross-section, as shown in the DRAWINGS, or may have another suitable cross-section, as is understood in the art, such as an oval or square.
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com