The SnCF Charentes Pé- rigord technocenter in Saintes (in the Charente- Maritime region of France) is responsible for maintai- ning Corail railcars. The cars are completely reno- vated; only the chassis is retained. The various parts are subject to different process steps, including a grit blasting tunnel where steel balls are shot against a metal surface using compressed air; a lime softening process where parts are conveyed to the

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