But as Chen Chen-chuan points out, "resources are limited in Taiwan and should be cherished." His hope is that "in the not too distant future, and under conditions of the strictest quality control, we shall see furnace slag used on a large scale in the current national six-year plan."
「然而，台灣資源有限，實應好好珍惜」，陳振川呼籲，「更期待不久的未來，能在六年國建計畫中看到爐石、飛灰在極佳品質管理下大量被使用。」