Definición de hard coal en inglés:

hard coal

Saltos de línea: hard coal

sustantivo

  • another term for anthracite.
    Más ejemplos en oraciones
    • The statistics describe the use of hard coal in generation of electricity and heat in Finland.
    • Miners of hard coal ratified a proposed contract today, ending a 30-day strike that began with their rejection of an earlier offer.
    • The railways found that, because of the decreasing proportion of hard coal, even greater quantities of coal were required to provide the necessary locomotive running.

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Palabra del día astrogation
Pronunciación: ˌastrə(ʊ)ˈgeɪʃ(ə)n
noun
(in science fiction) navigation in outer space