Brennstoff |
|
|
|
|
|
|
|
Erdgas |
|
|
|
|
|
|
|
Generatorgas |
|
|
|
|
|
|
|
Braunkohlen-Schwelgas |
|
|
|
|
|
|
|
Stadtgas |
|
|
|
|
|
|
|
Koksofengas |
|
|
|
|
|
|
|