About: http://webisa.webdatacommons.org/259604641

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	FIG. 1 is a drawing illustrating a method for measuring the length and width of crack growth by using a ruler according to conventional techniques.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com