About: http://webisa.webdatacommons.org/324147362

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	Optical plastic block 258 may comprise a transparent plastic material, such as, for example, an acrylic or polycarbonate or polystyrene material or the like, formed such as by injection molding, casting or the like.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com