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。
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。
Experience as a blaster helper in surface mining and quarrying or construction may be required for blasters.
爆破工需要具备地表采矿和采石或建筑爆破帮手的经验。
The Mines and Quarries Division of the Civil Engineering Department enforces legislation relating to mining, quarrying and explosives, and administers quarrying contracts.
工程署辖下的矿务及石矿部，负责执行有关采矿、采石和爆炸品的法例，并管理采石合约。
Now, because of dredging, quarrying, construction mining, natural factors such as inter-side so that it will see a bright future and become unearthed ebony.
现在，由于挖沙，采石，施工挖掘，自然跨方等因素而使其重见天日，成为出土乌木。
Complementing Orica's Bulk Systems and Packaged Explosives products, these products are suitable for application in surface and underground mining, construction, quarrying and tunnelling applications.
这些产品使澳瑞凯的散装系统和包装爆炸品得到进一步完善，适合露天和地下采矿、建筑、采石和隧道开挖应用。
Drillers and Blasters? Surface Mining, Quarrying and Construction.
钻孔者，爆破工？表层采矿，采石和建筑。
Drillers and Blasters? Surface Mining, Quarrying and Construction.
钻孔者，爆破工？表层采矿，采石和建筑。
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