About: http://webisa.webdatacommons.org/247716875

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	With any of these techniques there is a serious drawback: once the protective coating is damaged, air and moisture can reach the exposed metal and do their corrosive worst.
http://www.w3.org/ns/prov#wasQuotedFrom	nanotech-now.com