About: http://webisa.webdatacommons.org/248148150

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	It is possible for the outer portion of the vertical members to be constructed from such materials as canvas or nylon, although nylon would be preferable dueto weight considerations.
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com