About: http://webisa.webdatacommons.org/122231576

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	Engineering calculators and resources. ?? ?? A collection of online calculators and resources e.g. Units conversion, voltage drop, pipe friction loss calculation and data tables.
http://www.w3.org/ns/prov#wasQuotedFrom	3odp.co.uk