| 摘要 |
PROBLEM TO BE SOLVED: To arrange a work fence so as not to easily fall down, for solving the inconvenience in a conventional work fence that using of it at a work site where a general vehicle passes through just the side is restrained since there is fear of falling down at strong wind time unless a reinforcing material such as a pipe is used. SOLUTION: A plastic fence is formed in an L shape, a weight such as a sandbag is placed, and the work fence can be easily arranged.
|
