Online measurement of water content in petroleum is a significant procedure during oil mining and oil refining process.

含水率在线测量在石油开采和加工生产过程中有着重要的意义。

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The business is involved in oil, mining, agriculture, hotels, hospitals, finance and real estate, mostly through his operating companies Corral Group.

业务涉足石油、采矿、农业、酒店、医院、金融和房地产，大部分是通过他的运营公司 Corral Group。

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Illegal artisanal mining is already impacting several of the sites and the attribution of new oil and mining concessions could threaten their World Heritage status.

UNESCO: SERVICE DE PRESSE

In the 1970s the brothers began focusing on oil and mining, through Earth Resources, and also ran Bonanza Steakhouses.

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Companies in retail, oil and mining will be the big listers this year.

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