About: http://webisa.webdatacommons.org/137864133

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	h C-shaped and I-shaped railswhich are open at the bottom, by which one can implement different kinds of constructions, such as monorail telphers, single and double-beam overhead cranes.
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com