About: http://webisa.webdatacommons.org/102697052

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	As noted above, effective protective layers can be derived from a variety of metals such as tin, copper, arsenic, antimony, bismuth, chromium, germanium, gallium, indium, selenium, tellurium, and lead.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com