Salt water has a very low freezing point.
A 30% saturated salt solution has a freezing point of around -20 degrees Celsius.
Therefore, salt is often used to melt snow in modern times.
He Youyou continued, "Moreover, he comes from Liaodong, and as far as I know, there are several large salt fields in Liaodong."
Zhao Changqing jumped up: "You mean, this is human trafficking of smuggled salt!"
Smuggling salt is a serious crime, punishable by exile or death.
He Youyou glared at him: "Keep your voice down! I've already told you I have a great use for this person, don't make it public knowledge."
"you……"
He had just promised He Youyou, and it wouldn't be good to go back on his word, so he had no choice but to shut up.
He was secretly calculating that, fortunately, the number of people trafficked was limited, so it wouldn't cause significant losses to the imperial court.
He Youyou added, "Now we're just waiting for your people to come back and verify if what I said is true. I've used your people to do things, so naturally I won't let you down. This time I can pay you your wages; just name your price."
Upon hearing her words, Zhao Changqing's face darkened: "Do you really have to be so calculating with me?"
He Youyou asked in bewilderment, "Even close brothers should keep clear accounts. Of course, it's even more important to be clear about things with strangers."
Zhao Changqing remained silent.
After a moment, he said in a muffled voice, "No need. I owe Han Silang a lot. Helping you this time is to repay his debt."
"I see. Okay, then. Anyway, I'm doing all this for the Han family, so it's the same thing."
She can't take the money she earns here with her, so it can only be left to the Han family, right?
Knock knock knock—
There was a sudden knock on the door.
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