salt manufacturing的用法和樣例：
例句
- China was one of the world's pioneers in making salt from seawater.
中國是世界上最早利用海水製鹽的國家之一。 - Laeso residents turned to seaweed to thatch their roofs after most of the island's trees and reeds were harvested and burned by the salt industry.
因為島上的製鹽工業耗盡了島上大部分的樹木和蘆葦，蘭依索的居民開始用海藻鋪屋頂。
