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Screws, belts, levers. Whether in industry or in our home appliances, these parts are everywhere and are part of our daily lives. Felipe Solari went to Minas Gerais to see up close the work of the mechanical technician responsible for manufacturing these products. He learned about the workings of an elevator in detail, saw students manufacturing a part from scratch and faced over 1,000 degrees Celsius to find out how pipes that transport oil are made.