| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for manufacturing colored spheres of which the surfaces are partially colored and coated at a low cost. SOLUTION: Spheres are bonded to a work surface and the surfaces of the spheres on the side opposite to the work surface are coated with a color paint by screen printing and, after the color paint is dried, the spheres are again peeled from the work surface.
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