About: http://webisa.webdatacommons.org/271374522

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	Machinery for producing the reverse image on the surface of the mandrel may vary depending on the complexity of the geometric pattern, type of material used for the mandrel and other considerations.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com