Ah!
Youko :I had been told to clean the solar panels here. What is this?
Engineer :This is an optional ornamentation for the solar panels.
Evidently it's efficiency as the solar cell is poor...But...
Engineer :At our guess many customers will be discontented with the monotonous flat solar
panels designed for efficency only.To fill such requests we are developing these ornamentations!
Youko :Also they schemed to keep their human jobs,I guess...
