About: http://webisa.webdatacommons.org/366449345

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	Air systems are more affordable than hydraulics systems, but still cost in the $500 to $1,500 range, not including installation.
http://www.w3.org/ns/prov#wasQuotedFrom	howstuffworks.com