Why is it important for a tank vehicle driver to know the general properties (such as flammability) of the cargo they are hauling, even without a chemistry background?

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1. Only responders need to know anything about the cargo's properties
2. This knowledge matters only when loading or unloading, never during transit
3. Cargo properties are irrelevant to how a driver should respond to any incident, since every response follows the same basic steps
4. It helps the driver make safer choices in an emergency, such as avoiding an ignition source near a flammable leak

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