About: http://webisa.webdatacommons.org/425019093

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	Pressure-Flow?? hopper tank cars that use air pressure to rapidly unload dry bulk cargoes such as cement.
http://www.w3.org/ns/prov#wasQuotedFrom	utlx.com