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.
It's nothing but trial and error.
.ما هذه إلّا تجربة وخطأ
On va apprendre de nos erreurs.
Funziona sempre così, imparando dagli errori!
Não passa de tentativa e erro.