Advantages of copper wiring
http://bdsmboard.org/member.php?287264-MiguelwEr
Is copper an electrical conductor or insulator?
http://forum.dipti.com.bd/index.php?topic=341.0
Additive Manufacturing of Pure Copper Electromagnetic Coils
http://lidlocator.com/viewtopic.php?f=44&t=1233407
Why is copper a good conductor of heat?
http://rpg.six168.com/viewthread.php?ti ... orid=56503
Geological settings of copper mineralization
http://www.101skins.com.tw/forum.php?mo ... 587&extra=
Global Copper Consumption
http://keyjoys.com/app/kjdc/viewtopic.php?t=9561
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