About: http://webisa.webdatacommons.org/297814323

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 ferrules, which can be manufactured from several materials, including ceramics, metal, plastic and glass, have in their center a coaxial channel of a diameter slightly larger than the optical fiber.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com