About: http://webisa.webdatacommons.org/435573606

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	Upper portion 84 joins with the upper surface of horizontal square tubular member 48 to form an upwardly open generally vertical channel 38 (FIG. 4) which provides open area into which cables and other articles may be laid.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com