Find the complete optimal solution to this linear programming problem. 
Definitions:
Copper
A reddish-brown, ductile, malleable metallic element that is an excellent conductor of heat and electricity and is widely used in electrical wiring and coinage.
Concrete
A composite building material composed of fine and coarse aggregates bonded together with a fluid cement that hardens over time, used extensively in construction.
Heat Produced
The amount of energy released or absorbed as heat during a chemical or physical transformation.
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