The Kingdom of Science will need rations to last them through their voyage to the other side of the world. But Senku, being no professional, burns all the bread he attempts to bake.
That means it has a dark 
room feature built in.
.يعني ذلك أنّ لديها خاصية غرفة مظلمة مدمجة
Drinnen ist quasi eine Dunkelkammer.
Tiene el cuarto oscuro integrado.
Tiene el cuarto oscuro integrado.
L’intérieur est
comme une chambre noire.
Nella struttura è inclusa anche la funzione di camera oscura.
Isso significa que tem uma 
câmara escura embutida.
Внутри получается
затемнённое пространство.