Automobiles create it. Any device that burns fuels like coal,gasoline,kerosene, oil or wood will produce carbon monoxide.
VOA: special.2010.02.02
That is metallic sodium that would keep in kerosene so it doesn't react with the oxygen in the air.
金属钠应该保存在没有中,这样它就不会和空气中的氧气反应了。
And I know that sodium chloride forms because, if I look on the webpage at 3.091, you see this down here, this is sodium in kerosene.
我知道氯化钠形式,因为我看过3。091的网站,看看这个,这是钠在煤油中。
Kerosene costs less than other forms of lighting, but it is still costly in poor countries.
VOA: special.2009.12.21
So,one year of kerosene would pay for a solid-state lighting system."
VOA: special.2009.12.21
Many families use kerosene oil lamps.
VOA: special.2009.12.21
kerosene is expensive, produce only dim light and generate polluting fumes that cause health and environmental problems.
VOA: standard.2009.12.13
He adds that's about the same as the cost of kerosene for a year.
VOA: standard.2009.12.13
I read under the dim light of a kerosene lamp.
VOA: standard.2010.04.01
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