About: http://webisa.webdatacommons.org/188387247

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	Poorly operating engines, machinery, heating equipment, ventilation equipment, air conditioning equipment, and other equipment may also output CO, contaminating the air in buildings and vehicles.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com