So that Tsai could gain practical knowledge while he was enrolled in the program, his Japanese instructor Ninoru Tanaka arranged a job for him as technical director at Peitou's Wangkuan Tile Factory.
為了學以致用，日籍教師田中稔介紹他進入北投王冠窯業磁磚工廠擔任技術課長，一邊工作一邊進修。