<http://webisa.webdatacommons.org/437911314>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<heatinghelp.com> .
<http://webisa.webdatacommons.org/prov/347192584>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/437911314> .
<http://webisa.webdatacommons.org/437911314>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/437911314>	<http://www.w3.org/ns/prov#value>	"get a copy of the lost art of steam heating from this site, and begin to examine all aspects of the sysytem. unfortunately you can not fire the boiler in the summer, but you can check settings such as pressure, venting etc." .