Transporting hazardous materials is a critical aspect of global trade, affecting industries such as chemicals, pharmaceuticals, agriculture, and energy. Ensuring the safety of these materials during transportation is paramount to prevent accidents, contamination, and environmental disasters. Among the various safety technologies implemented, liquid scanners play a crucial role in detecting unknown substances, particularly in the case of liquid hazardous materials. This article explores how liquid scanners contribute to the safe transport of hazardous materials and the importance of unknown liquid detection in mitigating risks.