The unloaded ore is blended and stockpiled in a vast yard enclosed by fine-mesh screens to stop the dust from blowing towards the nearby city of Vitória.

卸下的矿石堆积在一个巨大的货场上，上面盖着细网幔帐，以避免灰尘吹向附近的维多利亚城市。

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The transportation and treatment of dry ore powder will produce dust and pollute the environment.

缺点是干燥矿粉的制备、运输和加工过程中会产生扬尘，造成环境污染。

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The dust examining conditions of ore dressing workshop are introduced.

介绍了选矿车间的粉尘检测情况。

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What about the Bre-X scandal of 1997--when promises of a mountain of gold in Borneo turned out to be a few ore samples salted with gold dust?

FORBES: Gold Rush