About: http://webisa.webdatacommons.org/180802390

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 horns or other audio sources, which are sufficiently large for the home or industrial environment, such as factory or warehouse, require a substantial amount of power.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com