1) Prohibition sign is a graphic sign used to prohibit people from unsafe behaviors. The basic form is a red circle border with slashes. The figure is black and the background is white.

2£©ÖÒÑÔ±ê¼ÇÊÇÓÃÀ´ÌáÐÑÈËÃǶÔÖÜΧÇéÐÎÒýÆð×¢ÖØ£¬ÒÔ×èÖ¹±¬·¢Î£ÏÕµÄͼÐαê¼Ç¡
£»ù±¾ÐÎʽÊÇÐþÉ«ÕýÈý½ÇÐα߿ò£¬Í¼ÐÎÊÇÐþÉ«£¬Å侰Ϊ»ÆÉ«¡£

2) Warning signs are graphic signs used to remind people to pay attention to the surrounding environment to avoid danger. The basic form is a black equilateral triangle border, the figure is black, and the background is yellow.

3£©Ö¸Áî±ê¼ÇÊÇÓÃÀ´Ç¿ÖÆÈËÃÇÐèÒª×ö³öijÖÖÐж¯»ò±ØÐèҪȡһ¶¨Ìá·À²½·¥µÄͼÐαê¼Ç»ù±¾ÐÎʽÊÇÐþÉ«Ô²Ðα߿ò£¬Í¼ÐÎÊÇ°×É«£¬Å侰ΪÀ¶É«¡£

3) The instruction sign is a graphic sign used to force people to make certain actions or take certain preventive measures. The basic form is a black circular border, the graphic is white, and the background is blue.

4£©ÌáÐѱê¼ÇÊÇÓÃÀ´ÏòÈËÃÇÌṩĿµÄËùÓÐλÖÃÓëÆ«ÏòÐÅÏ¢µÄͼÐαê¼Ç¡
£»ù±¾ÐÎʽÊǾØÐα߿ò£¬Í¼ÐÎÎÄ×ÖÊÇ°×É«£¬Åä¾°ÊÇËùÌṩµÄ±ê¼Ç£¬ÎªÂÌÉ«¡£Ïû·À×°±¸ÌáÐѱê¼ÇÓúìÉ«¡£

4) Prompt sign is a graphic sign used to provide people with all position and direction information of the target. The basic form is rectangular border, the graphic text is white, and the background is the provided logo, which is green. Warning signs for fire-fighting equipment shall be in red.

ÓïÑÔÊÇÈËÀàת´ïÍ·ÄÔÇéÐ÷µÄ¹¤¾ß£¬¾¯Ê¾ÅÆÊÇÍêÉÆÓëȨºâ¶¼»á½¨ÉèÉú³¤³ÉÊìµÄ±ê×¼Ö®Ò»£¬°ü¹ÜÈËÃǵÄ£¬Îª¶¼»áÎÄÃ÷½¨ÉèÆðµ½ÁËÆð¾¢µÄÐû´«Ð§¹û¡£

Language is a tool for human beings to convey their thoughts and feelings. Warning signs are one of the standards for improving and measuring the maturity of urban construction, ensuring people's safety and playing a positive publicity effect for the construction of urban civilization.