We need to buy Coals.
Product Steam (Thermal) Bituminous Coal, unwashed,
sized, fraction 0–50 mm, in bulk. net calorific value (nar)
min. 5,500 kcal/ kg min. 5,000 kcal/kg
total Sulphur max. 0.7%max. 0.3%
ash max. 18% max. 12%
volatile matter min. 25% min. 32.5%
total moisture max. 13% max. ..