Making cell phones takes a lot of materials and tools. Senku begins by upgrading their equipment using the waterwheel Chrome and Kaseki invented and built together.
Why would we remember that?
ولمَ قد نتذكر؟
Wer merkt sich so was schon?
¿Por qué lo recordaríamos?
¿Por qué recordar eso?
Impossible de se souvenir de ça !
E chi vuoi che se lo ricordi?!
Por que nos lembraríamos disso?
Никто не помнит, сколько их.