In 1913, in the dawning years of the 20th century, Doctor Schoop published a process for "depositing metal under an air flow" in the Scientific American, opening new horizons to surface treatment techniques. Therefor, surface treatments were taken into account right from the design stage by engineers, and their performances became input for devising objects right from the time they were conceived. There is a constant acceleration in the means employed, ever greater system automatisation and a continuous broadening in the applications

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