On the tech tree lit up by Dr. Gro, energy-absorbing robots have the lowest technology content (19 and 20), and one level above is the human body modification technology (17 and 18), and the most advanced technology is pure robots made from scratch (16).

Dr. Gro's Android technology level after more than ten years can be used as a reference for Bulma's father.

Bulma's father, from taking over the Saiyan spaceship to renovating it, only used one

"Starting from Subverting the Water Margin" 134 The key to android technology is being hit, please wait a moment,

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