About: http://webisa.webdatacommons.org/291159454

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	Only materials such as paper and wood, which swell in water, are beyond the ultrasonic range.
http://www.w3.org/ns/prov#wasQuotedFrom	bbc.co.uk