About: http://webisa.webdatacommons.org/23548842

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	Other fire detection systems also take into account other gases which may be present in a mine such as H2, CO2, NO, CH4 and other hydrocarbons.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com