主权项 |
1. A method comprising:
transporting first products into a stamp-application region, the first products having target surfaces that are co-planar; applying stamps to the target surfaces of the first products; transporting second products into the stamp-application region, the second products having target surfaces that are co-planar; and applying stamps to the target surfaces of the second products, wherein the target surfaces of the first products have a common first contour and the target surfaces of the second products have a common second contour, the first and second contours being different. |