Modern society heavily rely on electronics that have sophisticated manufacturing processes. It is almost impossible to manufacture electronics on the Moon or Mars where humanity is planning to colonize.
I propose the development of vacuum tube based electronics in space, on a robotic space station. These tubes are still used in microwave ovens and x-ray devices. With vacuum tubes you can make almost everything; high energy devices (x-ray, microwave), radio transceivers, cameras, displays and guitar amplifiers :).
The space is vacuum; therefore, the tubes can be designed without a glass shield and most probably smaller. These devices are more resistant to space radiation compared to delicate nanometric electronics. They can be used in some space missions as well.
On the packaging it would write: Made In Space, Use Only In Space
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