About: http://webisa.webdatacommons.org/443443852

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	After the fourth hydrogenation was finished, the inner surface of the pressure-proof reactor was examined, but abnormalities such as corrosion, etc. were not observed.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com