Tin-zinc alloys are used to weld cans. Naturally, some people thought of inventing white iron, that is, galvanized iron.
Perhaps one day in the future, copper cans will be replaced by tin cans.
But that¡¯s something for later, let¡¯s pull the timeline of this book back to before Jiang Liu developed copper cans. At this moment, Zhao Han returned to the Forbidden City after finishing the five-day autumn hunting.
Zheng Sen, the left chief minister of Guangdong, suddenly sent a secret note: Guangzhou City
"I" 1026
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