About: http://webisa.webdatacommons.org/342920994

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	Ultrasonic waves are commonly used to probe a variety of materials, particularly for thickness gauging and flaw detection.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com