About: http://webisa.webdatacommons.org/397051448

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	The invention may be practiced with a broad variety of substrates, made from various materials, such as wood, plastic, paper or cardboard.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com