"Improvements in the production process can extend from using substitutes for current raw materials, upgrading equipment, and changing or simplifying the production line to wastewater treatment and reuse of waste materials-there are a hundred ways to make an impact," says Ma.
「製程改善可以從原物料替代、設備更新、製程改變或簡化、廢水處理，一直到廢棄物的回收利用等等，切入的角度百百種，」馬勝雄說。