The regulation for surface colours of the visual aids to navigation in china 中国海区视觉航标表面色规定
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Surface colors for visual signalling 视觉信号表面色
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When pattern masking is complete the top coat ( tile / paver colour ) can be applied by spray or trowel . this process also dictates the final desired texture and colour fleck finish 铺好压花模板后，接着喷射或涂抹表面色料（地板砖颜色） ，这一步也是最后的图案是否理想，颜色是是否新鲜的关键所在。
