What type of liquids are most likely contained in an MC 312 tank truck?

MC 312 tank trucks are specifically designed to transport corrosive liquids, which include a range of hazardous materials that can damage living tissue or materials such as metals and protective coatings. The design features of MC 312 tank trucks include reinforced tanks and specific materials to resist the destructive effects of these corrosive substances.

Corrosive liquids can cause serious health risks and environmental damage if not handled properly, which is why specialized vehicles like the MC 312 are used to ensure safety standards are met during transportation. Understanding the cargo type that these trucks are built for is crucial for first responders and safety personnel as they prepare to manage incidents involving hazardous materials.

The other types of liquids listed, such as explosive and flammable liquids, may require different types of transport vehicles designed to mitigate those specific hazards. Non-toxic liquids, while possibly transported in various tank designs, fall outside the primary purpose of the MC 312. Thus, the design and construction of the MC 312 specifically align with the safe transport of corrosive liquids, making it the correct choice in this context.