Entrepreneurship And Technology Management Etm
by Schumacher and Jacques Ellul to describe conditions where it was not fascinating to use very new technologies or people who required entry to some centralized infrastructure or components or skills imported from elsewhere. Continuing enhancements led to the furnace and bellows and provided, for the first time, the flexibility to smelt and forge gold, copper, silver, and lead – native metals found in relatively pure form in nature. The advantages of copper tools over stone, bone, and picket instruments have been quickly obvious to early people, and native copper was in all probability used from near the start of Neolithic times . Native copper doesn’t naturally happen in giant quantities, but copper ores are quite common and a few of them produce metallic easily when burned in wooden or charcoal fires. Eventually, the working of metals led to the invention of alloys similar to bronze and brass .
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