Stressing or stress-relieving, e.g. by vibration or subjection to electrostatic stress or electric discharge

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Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers (modifying only the surface D02J3/00) > Stressing or stress-relieving, e.g. by vibration or subjection to electrostatic stress or electric discharge