许多人依赖钻石开采生活，他们工作时把孩子带到食疗喂养中心。
Many of the people bringing children for treatment at therapeutic feeding centres relied on diamond mining for income.
工作内容：石油工程师与科学家及其他专家一道寻求开采石油和天然气的最有效方式。
What they do: Petroleum engineers work with scientists and other specialists to drill for oil and natural gas using the most efficient methods possible.
他们的研究帮助他们在石油开采和石油天然气定位方面开发新的工作程序。
Their research helps them develop new procedures for drilling and find new locations of oil and gas reservoirs.
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