who invented the first piece of technology
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who invented the first piece of technology
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what was the first piece of technology
when was the first technology invented
what was the first technology made
what was the first ever technology
what was the first technological invention
who invented the first piece of technology, first piece of technology ever invented, what was the first piece of technology, when was the first technology invented, what was the first technology made, what was the first ever technology, what was the first technological invention