About: http://webisa.webdatacommons.org/225875564

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	They are designed to hold signs, architectural panels, glass panels, banners, photographs, artwork and other materials vertically or horizontally at a predetermined distance from a surface.
http://www.w3.org/ns/prov#wasQuotedFrom	standoffsystems.com