| Central - LAL | ere. This is made maistly fae | nitrogen | but wi a bittie methane an hy |
| Central - LAL | the pouer ahin the spoots an | nitrogen | jilps oot intil a thin atmosp |
| Central - LAL | te. A muckle ice field made o | nitrogen | and methane smoors this warld |
| Central - EDN | gas chaumers, some pit forrit | nitrogen | -fillt faem or electricity as |