Dialogue with academia To reconstruct these 36 pieces of pottery, as much as he could Cheng used the same tools as were available to their original makers. In particular, he avoided using any iron implements, since none had been available back then.
與學術對話復原這三十六件史前陶，鄭永國儘可能使用史前人的工具，他特別避免用當時還沒有的鐵器。