szénforrásokból
Szénforrásokból refers to a Hungarian term that translates to "from coal sources" or "from carbon sources." In a scientific and industrial context, it primarily pertains to the extraction and utilization of coal as a primary energy and raw material. Coal, a combustible black or brownish-black sedimentary rock, is formed from the accumulation and metamorphosis of plant matter over millions of years. Its composition is largely carbon, along with varying amounts of hydrogen, sulfur, oxygen, and nitrogen.
Historically, coal has been a cornerstone of industrialization, serving as a vital fuel for steam engines, electricity