About: http://webisa.webdatacommons.org/291364483

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	As for the materials of the light-insertion stage 102 and of the optical waveguide stage 104, they can include, for example, any type of polymer or acrylic glass such as PMMA. Any other suitable material can also be used.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com