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How does the aviation industry deal with strong winds in the upper atmosphere?
Anthracite Coal
The highest grade of coal, known for its high carbon content, low volatility, and high energy content, used primarily for heating and in industrial processes.
Peat Coal
A precursor to coal formed from the partial decomposition of plant material in wet, acidic conditions, often used as fuel.
Synthetic Fuels
Man-made substances created to mimic traditional fossil fuels, often produced from coal, natural gas, or biomass, and intended to be a less polluting energy source.
Lignite Coal
A soft brownish coal showing traces of plant structure, the lowest grade of coal due to its relatively low heat content.
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