{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"Why is the distinction between risk warnings necessary?","a":"Risk warnings help to identify potential dangers: By distinguishing  different types of risks, it is easier to discover potential hazard factors, providing a basis for formulating corresponding preventive measures."}]}],"pr":"e291f25be400d46c91ca7be2e2580828345534b61433ff90475f57ba30216652"}