指令标志指令标志为蓝色底的圆形图案，圆形图案中有一个人头像或全身像，用白色强调的人物装备，就是进入场地前必须佩戴的安全防护用具。
Three, logo Logo for a circular pattern blue bottom, circular patterns have a portrait or body image, with white stressed characters and equipment, is to enter the site must wear safety equipment.
指令标志指令标志为蓝色底的圆形图案，圆形图案中有一个人头像或全身像，用白色强调的人物装备，就是进入场地前必须佩戴的安全防护用具。
Three, logo Logo for a circular pattern blue bottom, circular patterns have a portrait or body image, with white stressed characters and equipment, is to enter the site must wear safety equipment.
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