About: http://webisa.webdatacommons.org/453755420

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	Preferably, both the I-beams and filler blocks are formed of a plastic material, via extrusion or other molding methods.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca