安太堡不采区的初始开采区域，北面和西面也都是露天矿的边坡，它们的稳定是露天与井工同时开采的安全保证。
The stability of the slope at the west and north of the first underground mining zone is safety guarantee of combined mining.
此时为了处理好露天与地下同时开采相互影响的问题，一般采用空场法，它需要在露天坑底部、地下开采第一中段的矿房顶部保留一定厚度境界顶柱。
For a mine to be changed from an open pit to underground stope, the stability of the boundary pillar has direct influences on the safety production of the mine.
格陵兰一位矿产和石油局的官员明确指出，任何想要在附近区域开采矿产的公司必须同时开发并且运用碳储存技术。
An official of the island's Bureau of Minerals and Petroleum has specified that any companies extracting hydrocarbons in the neighbourhood must also develop and use carbon-storage technology.
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