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These include coal mining, quarrying, oil drilling, and the injection of wastewater into the ground.

这些活动包括采煤、采石、石油钻探和向地下注入废水。

youdao

They are employed by mining, quarrying and construction companies and by drilling and blasting contractors.

他们受雇于采矿，采石和建筑公司，也受雇于钻孔和爆破承包商。

youdao

Eventually, some 150 illegal mining and quarrying companies in the area were shut down.

ECONOMIST: Rural activism

Manufacturing, which is one of the components of the index of production along with mining and quarrying, gas and electricity, and water and sewerage, fell 0.3% compared with the previous month.

BBC: Man in a factory producing tinsel

Although, by 1981, the proportion of Welsh employees working in mining and quarrying was just 3.8%, the coal industry still had a symbolic place at the heart of ideas of the Welsh nation.

BBC: Wales politics