They protect workers against everything from flour dust in a grain elevator to the damaging organic chemicals in paint spray.

从谷物升降机内的粉尘到喷漆中的有害有机物，这些面具保护工人免遭它们造成的伤害。

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With the popularization of machinery in grain, feed and foodstuffs industries, there have been recorded more and more grain flour dust explosions.

随着粮食、饲料、谷物食品工业的机械化程度的提高，谷物粉尘爆炸事故越来越多。

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This paper introduces three types of concentration-detecting and alarm systems based on the optical, ionizing and penetrating properties of flour dust.

本文根据粉尘的光学性能、电离性能、穿透性能提出了三种不同类型的粉尘浓度检测、报警设备。

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Lightly mist a 12-cup Bundt pan with vegetable oil spray, then dust with flour.

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So it was no surprise to hear a report from the kitchen that the little plastic knob on the speed switch had finally bit the dust or flour as the case may be.

FORBES: It's Not the Stupid Worker...

Butter two 8-x-2-inch round cake pans, dust the insides with flour, tap out the excess and line the bottoms with parchment or wax paper.

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