目录简介 | Contents Foreword 1 Scope 2 Normative References 3 Terms and Definitions 4 Types of Signs 4.1 Prohibition signs 4.2 Warning signs 4.3 Direction signs 4.4 Information signs 4.5 Character auxiliary signs 4.6 Signs and explanatory signs of laser radiation windows 5 Colour 6 Requirements on Safety Sign Boards 6.1 Mat of sign board 6.2 Materials of sign boards 6.3 Surface quality of sign boards 7 Model adoption of sign boards (see Appendix A for the models) 8 Installation Height of Sign Board 9 Operating Requirements on Safety Sign Boards 10 Inspection and Maintenance Appendix A (Normative) Sizes of Safety Sign Boards Appendix B (Normative) Sizes of Warning Laser Radiation Signs Appendix C (Normative) Laser Radiation Window Signs, Explanatory Signs and Their Applications |