People living there said they used the ash to spread on the roads and even on the floors of their homes.

当地居民说他们曾用灰尘铺路，甚至铺自家的地板。

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Volcanic scientists collect samples of ash to send to LABS to analyze its content, in eastern Iceland on April 15.

4月15日，在冰岛东部，火山专家收集火山灰样本并送交实验室分析其成分。

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A large enough volcanic eruption can cause millions of cubic tons of gas and ash to be sent high into the atmosphere.

一次足够大的火山爆发能够令数百万立方吨的气体和灰烬上升到大气层。

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The French chemist Nicolas Leblanc discovered how to make soda ash from salt in the late eighteenth century.

VOA: special.2011.03.09

Ash up to three hundred meters thick covered more than six hundred square kilometers around the volcano.

VOA: special.2010.07.05

Rajan Vempati led a group that developed a new process to make rice hulls into ash.

VOA: special.2009.12.01

Modern industry produces many things, from coal ash to computers, that are difficult to dispose of properly.

ECONOMIST: The waste industry

The center of these tires uses volcanic ash to grip ice and snow, while other sections are designed to handle wet and dry roads.

FORBES: Rolling, Rolling, Rolling

In November an outbreak of the disease in the UK led to a complete ban on the importation of ash to the island.

BBC: Ash dieback: Government holds talk on potential threat