Following that, the radio received slight aesthetic improvements, first becoming a hot seller on Jingzhou Island, then in Dong Zhu City, and subsequently in the coastal cities of the Wing and Feather continents within the East Wing Continental Federation.
A talented individual from Koala Continent further refined the craftsmanship, replacing bamboo with a plastic film to aid farmers in producing radios by hand. Their production process was not much different from weaving bamboo articles, and it became a skill.
As a result, the size of the radios was further reduced.
The spread of new things takes time and cannot be rushed.
The Association of Extraordinaries has now developed several large aircraft with eighty percent of the parts not requiring magic technology, which can be mass-produced by regular factories.
Air transport is bound to flourish in the future.
