About: http://webisa.webdatacommons.org/49235074

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	As illustrated, the channel member 20 provides a track or channel for receiving and guiding a rail on a scaffold or other equipment adapted to be used by various types of workmen on the side of a building.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com