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Titre tel que soumis EN : The printed fabric is stretched onto a special frame (called Stern- Reif /ráfy /ráf /ráfy), immersed in the indigo bath (a vat called Küppe/ kypa/ Küpe/ küpa/ kypa) and left under the surface. As the cloth is removed, it takes in oxygen from the air, and the fabric turns from yellow to green to blue
