About: http://webisa.webdatacommons.org/131792054

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	They do not give too much away about the exact details of this process, but basically they use an internal mould that is placed inside the frame to reduce wrinkles and other imperfections on the internal surface of the frame.
http://www.w3.org/ns/prov#wasQuotedFrom	road.cc