Copper Discs
The major applications of copper are electrical wire
(60%), roofing and plumbing (20%), and industrial machinery (15%). Copper is
used mostly as a pure metal, but when greater hardness is required, it is put
into such alloys as brass and bronze (5% of total use). For
more than two centuries, copper paint has been used on boat hulls to control the
growth of plants and shellfish. A small part of the copper supply is used for
nutritional supplements and fungicides in agriculture. Machining of
copper is possible, although alloys are preferred for good machinability in
creating intricate parts.
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