The new law requires people selling scrap metal copper to obtain a $250 yearly license from the Department of Commerce.

The object of his experiment was to testthe rate of corrosion of metals in fresh ... The principal of these Mftg irourul the jioint, where the copper wire connected the plate with the negative ...

Copper, brass, and bronze alloys are non-ferrous metals with excellent electrical and thermal conductivity as well as good corrosion resistance, ductility, and strength. Copper is a reddish orange, ...