For postage stamps, separation is the means by which individual stamps are made easily detachable from each other. Methods of separation include: perforation: cutting rows and columns of small holes rouletting: small horizontal and vertical cuts diecutting: cut paper to shape using a metal die—used for self-adhesive stamps.
For postage stamps, separation is the means by which individual stamps are made easily detachable from each other. Methods of separation include: perforation: cutting rows and columns of small holes rouletting: small horizontal and vertical cuts diecutting: cut paper to shape using a metal die—used for self-adhesive stamps.
Source: Wikipedia "Postage stamp separation" · CC BY-SA 4.0
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