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Measurements taken from the final seam determine tightness and correct formation of all components between the can and cover. These dimensions can be obtained by either breaking down the seam or optically measuring using Seam Scope or Projector. Using a Seam Scope or Projector provides immediate viewing and measurement of the Double Seam Overlap, Cover Hook and Body Hook areas. Physical breakdown of the Double Seam will reveal imperfections related to Wrinkle percentages, ‘V’s, or Pleats discussed later.

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