Kaseki's efforts to build the science vessel Perseus hit a roadblock when he realizes that it's impossible to get all the parts to fit in practice.
We'll need it.
.سنحتاجه
Ohne Stahl fliegt uns unser
Riesenmotor noch um die Ohren.
Si no, los motores explotarían.
Si no, los motores explotarían.
Sans ça,
notre beau moteur exploserait !
Anche perché altrimenti 
l'immenso motore esploderà.
Nós vamos precisar.
Без неё наш здоровенный
двигатель взорвётся.