These signs and symbols are categorized into distinct types:

• Prohibition Signs (Red): Prohibit actions like smoking, entry, or parking.
• Mandatory Signs (Blue): Enforce safety measures, such as wearing protective gear or adhering to procedures.
• Warning Signs (Yellow): Alert to potential hazards, like construction work or electrical risks.
• Safe Condition Signs (Green): Indicate safe areas, such as emergency exits, first aid kits, or fire extinguishers.