Permitted Fuel: Union Coal Briketts, manufactured by Rheinbraun AG of Germany and comprising lignite compressed into briquettes of approximately 15 centimetres in length with square ends and with a sulphur content no
Union Coal Briketts, manufactured by Rheinbraun AG of Germany and comprising lignite compressed into briquettes of approximately 15 centimetres in length with square ends and with a sulphur content not exceeding 1%