Various vendors needed to reproduce the mark on signs, banners, and they needed some rules.
不同的厂商会复制这一设计到各种图示和横幅上，他们也需要一些规制。
If the minimum interval, is not up to the rules, it is necessary to adopt protective measures, additional barrier, fence, fence or adhere to the network, and the warning signs hanging dazzling.
若达不到所规则的最小间隔时，有必要采纳防护办法，增设屏障、遮栏、围栏或坚持网，并悬挂夺目的正告标志牌。
Road traffic signs. pannel decor catalogue. part 7: dimensions and composition rules for directional informatory signs.
道路交通信号装置。信号牌装饰分类。第7部分：方向牌尺寸和组成规则。
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