Biochar is a type of charcoal produced by heating crop wastes, wood or other biomass in a simple kiln designed to limit the presence of oxygen.

生物炭是农作物废料、木材或其它生物质在简易窑(为限制氧存量而设计的窑)内经过加热而制成的一种炭。

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There are several things you can do to limit your exposure to wood smoke.

你可以做一些事来限制你对木材烟雾的暴露。

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Too many books limit themselves to the first (glossy photos of finished buildings), so Solid wood is a valuable book for architects interested in designing with wood.

太多的书把自己局限于第一章(光泽照片成品建筑)，所以《实木》对于建筑师来说价值非凡。

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Without Tiger Woods, it makes it very very difficult to do that,". In addition to Accenture, Gillette chose to limit Wood's role in its $5 million yearly deal with him.

VOA: standard.2009.12.16

Authorities have prohibited wood burning and urged people to limit driving.

NPR: Sickening Fog Settles Over Salt Lake City Area

The Environment Agency has previously conducted a test measuring the size of wood chip particles in the air, which came back well within the UK limit.

BBC: Wood dust protesters march from Mossley to Plevin plant

Taking into account labor, materials, transportation, and energy costs, the chemicals, primary metals, and heavy equipment manufacturing industries stand to benefit most from maintaining or expanding facilities in the U.S. Companies in wood, plastic, and rubber products could also benefit significantly, but their lower net imports might limit their benefits from on-shoring.

FORBES: Manufacturing May Be Coming Back to the U.S., Long-Term