About: http://webisa.webdatacommons.org/278894483

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	After the structure is assembled, one may add frames or othersturdy structural elements such as columns or beams (aluminum or steel or the like) to make a much stronger structure.
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com