It is a type of coal used in stoves. Sold in 25 kilogram sacks.
10-18mm Lignite
It is mostly used for boilers in buildings with heating system. Sold in 25 kilogram sacks.
05-10mm Lignite Powder Coal
It is a type of coal used by industrial organisations and factories producing in large volumes. In short, it is called Powder Coal and is loaded in bulk without being packaged in vehicles.