Summary
Could the price of copper be considered an indicator of economic health ? Copper is used extensively in many essential items we take for granted: in Australia, the 5 to 50-cent pieces are 75 percent copper; the 2 coins, 92 percent. Each house contains, on average, 90 kilograms of copper. A car, 35 kilograms. A Boeing 747, 1.8 tonnes. Computer circuit boards and wiring contain the stuff, so