About: http://webisa.webdatacommons.org/84397679

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	If background noise such as traffic is a problem, the threshold tone
http://www.w3.org/ns/prov#wasQuotedFrom	whiteriverprep.com