About: http://webisa.webdatacommons.org/214601982

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	The choice of whether to use a moderately priced hullpump or a relatively expensive ladderpump rests on factors such as the mining depth, the desired efficiency and the desired rate of production.
http://www.w3.org/ns/prov#wasQuotedFrom	rockproducts.com