About: http://webisa.webdatacommons.org/404046260

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	A service is a service and is required to ensure the safety and prolong the life of gas appliances.
http://www.w3.org/ns/prov#wasQuotedFrom	diydoctor.org.uk