They were taught how to bore rivet holes in the sides of ships. 有人教他們如何在船的舷側鑽鉚孔。
Later generations called this toy Lu Ban-lock, also Kongming-lock, and it has many kinds, and it reflects the riveted joint technology. 後人把這種玩具叫做魯班鎖,也叫孔明鎖,它的種類非常多,充分表現了中華民族傳統的隼鉚結構工藝。