| 摘要 |
In each unit are a male or female tapered dovetail assembly upon requirement allowing a solid joining of two or more units. This innovative set was designed as per Safety Laws and regulations to comply with the following: a) To prevent elderly and/or blind people falling into an exceavated area; b) To prevent child/baby from crawling through or under the fence; c) To enhance the general visibility in high-speed work areas of freeways and other highway roads and streets. Placed directly on a warning course, above-mentioned set, hollow or full, is equipped with a light reflective material on vertical projection on said faces.
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