| 摘要 |
PROBLEM TO BE SOLVED: To provide a ball-equipped rope and a pylon capable of partitioning a construction site, matrix and others by installing multiple balls to a rope and forming a groove on a tip of a pylon in which the ball fits.SOLUTION: A ball-equipped rope and a pylon can partition a construction site, matrix and others by installing multiple balls (2) to a rope (1) and forming a groove (4) on a top part (3) of a pylon in which the ball fits.SELECTED DRAWING: Figure 1 |
