restrictive sign造句

Restrictive signs are mostly circular, with black symbols on a white background with a red border.
Unlike prohibitory or restrictive signs, mandatory signs tell traffic what it must do, rather than must not do.
Due to the 1978 Amendments, the status of some billboards changed due to a locality enacting more restrictive sign ordinance than the state criteria.
Until the early 1980s, Cambodia closely followed US, Australian, and Japanese practices in road sign design, with diamond-shaped warning signs and circular restrictive signs to regulate traffic.
On different levels from like the tiny sort of restrictive signs you see everywhere like you know : no ball games, no trespassing, no dogs, no cycling, clean it up to more oppressive things on a larger scale such as cameras in the back of police vans, helicopters with cameras in.
It's difficult to find restrictive sign in a sentence. 用restrictive sign造句挺难的