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.
With an infinite contraption 
that requires no fuel...
...بأداة لا نهائية لا تحتاج لوقود
Mit dieser endlosen Konstruktion,
die keinerlei Treibstoff benötigt, …
Con un aparato infinito sin combustible,
Con un aparato infinito sin combustible,
Un système sans limites
et sans combustible…
Con questi dispositivi perpetui che 
non necessitano di carburante...
Com uma engenhoca perpétua que 
não precisa de combustível...
Эти изобретения не нуждаются в топливе.