About: http://webisa.webdatacommons.org/219881365

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	A structure made including at least these materials and having an appropriate size and shape can resonant for a given frequency or range of frequencies.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com