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Metal 3D Printers May Revolutionize Industry

It is amazing to think that printing of three-dimensional objects, now commonly referred to as 3D printing, was invented only a little more than 30 years ago. Once bulky, complicated, and enormously expensive, 3D printers have since shrunk into devices no larger than a microwave oven and can be bought in a store or online for as little as $500. Experts say that rapid technological improvement of these machines, together with affordability, will have huge impact on manufacturing and...

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