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.
These are all the minerals I 
found lying around in the caves.
.هذه كل المعادن التي وجدتها في الكهوف
Diese Steine habe ich nur für den Fall
in diversen Höhlen eingesammelt!
Hay muchos minerales en las cuevas.
Hay muchos minerales en las cuevas.
J’ai récolté divers matériaux
dans un tas de grottes !
Sono tutti i minerali che ho trovato 
cercando a caso nel fondo di tante caverne!
Esses são todos os minerais que 
eu encontrei pelas cavernas.
Я насобирал минералов
 в ближайших пещерах!