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.
Send electricity into this, 
and it'll store power on its own.
.ستخزّن الكهرباء من تلقاء نفسها إن أرسلناها إلى هنا
Mandas electricidad aquí
y se guardará sola.
Solo envías la electricidad aquí
y se guarda solita.
Mandar eletricidade para cá vai armazená-la e guardar energia.
Пустим сюда ток, и он будет накапливаться.