| 摘要 |
The cover comprises a base (1) and a hollow prismatic body (1), one face (5) of which is equipped with an indicator panel (7). The cover is made from a panel of plastics, cut and folded to form a triangular prismatic shape with a top (6), held together by tabs inserted into slots. The slots can be U-shaped, and the tabs equipped with lugs at the sides which are bent so they can be inserted through the slots, and the top of the cover can have a hole in it for injecting an adhesive material which sticks the cover to the post. ADVANTAGE - More convenient to use, avoiding need to replace post or paint it to give it the necessary colour.
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