11.   One section that used coal to produce carbon fiber was operating.

12.   Steaming or thermal coal is used as a source of heat by utilities.

13.   The best measure to reduce pollution is to use less coal by improving heat efficiency.

14.   The Corex technique, developed in Europe, uses coal to treat the iron ore, while drawing off the byproduct gases to fuel an electrical generator.

15.   The spilled coal is being taken to a landfill because companies will not use coal contaminated with dirt, Forsberg said.

16.   Weak or soft coking coal is used to blend with hard coking coal to provide a coke of the appropriate characteristics.

17.   Australia uses the coal to produce cheap electricity, which it then uses to turn minerals into products such as steel and aluminium.

18.   In another area, farmers use coal with a high fluorine content to dry corn, Belkin said.

19.   Less coal is now used for domestic heating.

20.   Steaming coal is used for electricity production.