About: http://webisa.webdatacommons.org/171890522

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	The guiding flanges 523, 524, 525 of the metal piece 52 shown herein for illustrative purposes is rectangular, however, any shape such as square or irregular shape may be used.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk