extraction|extractions

这家工厂专业从事植物精华的提取。

This factory specializes in the ___extraction of plant essences.

石油开采对环境影响很大。

Oil ___extractions have a significant impact on the environment.

工人们正在从矿井中进行煤炭的提取工作。

The workers are performing the ___extraction of coal from the mine.