About: http://webisa.webdatacommons.org/314768077

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	t of your materials including electricity and double it - ie do not include a seperate charge for labour.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com