About: http://webisa.webdatacommons.org/335053070

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	Besides, resin is molded into a necessary waveguide shape, and similarly to the case of metal, the wall in the tube may be coated with novel metal such as gold or silver.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com