By the time work ended in the afternoon, Li Jianjun had finally finished the designs for all the parts of the electric scooter, which made him breathe a sigh of relief.
Some of the parts for an electric scooter required quite a bit of precision.
As he was drawing them out, he had felt a bit stumped. The most critical component of an electric scooter was the battery, and he wasn't sure if such high-tech equipment even existed in this era.
Chapter 171