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Keywords from Image Description:
Principe roulage tronc cone.svg en How to make metal sheet truncated cone roll bending of portion of ring with sheet metal angle used as mechanical stop fr Comment faire un tronc de cne en tle roulage d'une portion d'anneau en utilisant une cornire comme bute own inspired by the document Roulage d'un tronc de cne by Walid RIAHI