About: http://webisa.webdatacommons.org/29758043

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	In the Composition column of the Tables, the designation RO stands for metal oxides other than silica and alumina, and this column may alternatively contain designations of the derivation of the particular comparative fibers exemplified.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com