| 摘要 |
<p>PROBLEM TO BE SOLVED: To easily perform a linear marking. SOLUTION: A light reception part 9 receives reference light M that is in parallel with a scheduled line S cast on an execution part 1 by a reference light-casting part 4, a marking device 10 for spraying paint T when the light reception part 9 has received the light, and a display part 11 for performing display according to the light reception position of the reference light M are installed at a driving machine 5. Then, marking is made, while running the driving machine 5.</p> |
