红色尘埃的沙尘暴应被认为是一个应该立即隐蔽在金属屋顶或草皮屋顶的避风的建筑里的警告。
The dusting with red dust should be considered a warning to take cover, under metal or sod roof structures, out of the wind.
锚定表面可能是必要的,但小行星是由不同材料构成-一些固体金属,一些瓦砾和一些的岩石,鹅卵石和尘埃的组合桩。
Anchoring to the surface will probably be necessary, but asteroids are made up of different materials - some solid metal, some piles of rubble and some, a combination of rock, pebbles and dust.
断路器应安装在无爆炸危险和无导电尘埃、 无足以腐蚀金属和破坏绝缘的地方;
There must be not any explosive medium, and there must be not any gas which would corrode metal or any conducting dust which would destory the insulation;
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