Warn staff and visitors of dangerous fuel hazards with this Highly Flammable Warning Sign, clearly stating Petroleum Mixture – No Smoking. This multi-message safety sign combines a flammable warning symbol with a no smoking prohibition message, making it ideal for petrol storage areas, fuelling stations, workshops and transport depots. Manufactured in Britain using durable materials, it meets HSE signage guidance for combustible materials and smoking restrictions in the workplace. Designed for indoor or outdoor use, this sign helps reduce fire risks and ensures clear visibility of essential hazard warnings. Available in multiple sizes and finishes to suit your site requirements. Display this flammable sign prominently in areas where ignition sources must be strictly controlled for safety compliance.