About: http://webisa.webdatacommons.org/10115023

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	Copper naturally reacts to its environment and goes through a weathering progression, the rate of which is related to its degree of exposure to moisture, salt and atmospheric pollutants such as sulfur.
http://www.w3.org/ns/prov#wasQuotedFrom	nachi.org