About: http://webisa.webdatacommons.org/392504222

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, there is a problem where the corrosion occurs due to the remaining etching gas even for the easy-to-process metal such as Al.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com