| 摘要 |
PROBLEM TO BE SOLVED: To efficiently perform clear-cut marking at a low cost by using paint. SOLUTION: Marking by a spray gun is conducted by this method and device. A ball 64 is abutted, for example, on the surface S to be marked. The interval between a spray gun nozzle 49 and the surface S is kept at a specified minute spaceδ, paint is sprayed on the surface S from the nozzle 49, and the spray gun and the surface S are relatively moved.
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