Cleaned coal or prepared coal has been processed to reduce the amount of impurities present and improve the burning characteristics.
Ref: 122500/2006-10-01

Other Database Pages Exist for this Phrase:
Coal (Coal is formed from plant and animal matter that ...)
Process (Process means the preparation of a substance, ...)
Coal (Coal refers to a combustible black or brownish ...)

Alternative Spellings (Synonyms): Coals

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