Public Signs-Open and face the public, announcements, instructions, reminders, displays, warnings, and signs of text and graphic information related to life, production, life, ecology, and life. ①
Publicity - text and graphic information that is relevant to public and public, notice, instruction, prompt, display, warning, sign and its life, production, life, life, and life. (1)。
Public signs are written and graphic information that are open to the public and related to their life, production, life, ecology and occupation. (1)<br>