Chapter 91: Papermaking Ice-Making Method

arriage certificates, all filled out, Yang Lin carefully collected them.At this moment, he was extremely excited.In my past life, I couldn't even afford a wife.And now, all you need is courage, and yo...uses could that stone possibly have”"Uh..."Yang Lin didn't expect Li Yuyao to remember this."My lady, have you ever heard of gunpowder"Li Yuyao shook her head in confusion."Fire...medicine Could it be...