About: http://webisa.webdatacommons.org/367668287

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	These sources offer extremely flat response over a broad frequency range and are ideal for use in such applications as sound power, sound absorption, and sound insulation measurements.
http://www.w3.org/ns/prov#wasQuotedFrom	environmental-expert.com