General:
* Cautionary: This highlights the warning nature of the symbol.
* Informative: Emphasizes the symbol's role in conveying information about safety.
* Standard: Refers to the fact that symbols are often standardized for easy recognition.
* Universal: Indicates that symbols are often understood across cultures and languages.
Specific:
* Graphic: If the symbol is visually striking.
* Iconic: If the symbol is easily recognizable and memorable.
* Pictorial: If the symbol uses images rather than text.
* Regulatory: If the symbol is mandated by official regulations.
Descriptive:
* Color-coded: If the symbols use different colors to communicate different levels of risk.
* Simple: If the symbols are straightforward and easy to understand.
* Clear: If the symbols are unambiguous and easily interpreted.
* Concise: If the symbols convey information efficiently.
Ultimately, the best adjective depends on the specific purpose of your writing and the specific type of safety symbol you are describing.