Hazardous chemicals tanker trucks are vehicles specifically designed for transporting dangerous chemical substances. The tank construction of these trucks is based on the chemical properties of the cargo, using materials like corrosion - resistant alloys or specialized polymers. They are fitted with comprehensive safety systems, such as double - hulls for extra protection, pressure - monitoring devices, and emergency shut - off mechanisms. Hazardous chemicals tanker trucks also require proper handling procedures and compliance with international and local transportation regulations. Their role is vital in industries dealing with hazardous chemicals, ensuring the safe and legal transportation of substances that can be harmful if not managed correctly.