About: http://webisa.webdatacommons.org/166350966

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	The price of copper fluctuates depending on general economic conditions and in relation to supply and demand and other factors, and causes monthly variations in the cost of copper purchased by the Company.
http://www.w3.org/ns/prov#wasQuotedFrom	sec.gov