Rail hloov tsheb tau dav siv hauv cov xwm txheej hauv qab no:
Spacecraft ntawm qhov chaw tso tawm: thauj cov dav hlau los ntawm qhov chaw xa mus rau lub launcher lossis cov foob pob hluav taws.
Chaw nres tsheb chaw: kho thiab hloov cov khoom siv ntawm lub voj voog, thauj thiab khaws cia roj, xa cov khoom siv rau cov neeg caij nkoj, thiab lwm yam.
Cov kab ntau lawm: siv nyob rau hauv factories, archive management centers, mines thiab logistics centers, thiab lwm yam., rau tuav thiab xa cov khoom hnyav xws li steel phaj, steel kav, khoom hnyav, thiab lwm yam.
