Coal is a valuable energy resource as it is used for electricity generation, steel production, and other industrial processes. However, its value is diminishing due to environmental concerns, as coal combustion releases pollutants and greenhouse gases that contribute to air pollution and climate change. The declining cost of renewable energy sources is also impacting the value of coal as an energy source.
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A coal holder is typically referred to as a coal scuttle or a coal hod. It is a container specifically designed for holding and carrying coal for fuel.
Bituminous coal, or soft coal
Yes, coal miners work in coal mines to extract coal from the ground. They use heavy equipment to dig tunnels and remove coal from deposits in the earth.
A synonym for coal dust could be coal powder or coal ash.
Small lumps of coal can be referred to as "coal nuggets" or "coal chunks."