1, with different meanings, safety signs refer to signs, colors, light signs, sound signals and other means to indicate the existence of information or to indicate safety and health. Occupational health identification refers to the identification of dangerous substances or dangerous situations in the workplace or working environment to remind employees to pay attention to safety and health.
2. According to different classifications, safety signs are divided into four categories: forbidden signs, warning signs, explanatory signs and suggestive signs, and occupational hazard warning signs are divided into five categories: graphic signs, warning lines, warning instructions, toxic substances occupational hazard notification cards and Chinese warning instructions.