About: http://webisa.webdatacommons.org/311838282

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	Gas organizations will often recommend to get gas appliances serviced at least once a year. [79] In buildings, carbon monoxide detectors are usually installed around heaters and other equipment.
http://www.w3.org/ns/prov#wasQuotedFrom	explained.at