About: http://webisa.webdatacommons.org/129430272

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	Alternatively, the substrate 1 a may be formed from a rigid material, such as glass.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com