The sentinel plan is just a general plan. He Gui copied part of the specific implementation, and left the rest to his subordinates.

"This stall is getting bigger and bigger." Looking at this plan, He Gui needed the cooperation of several departments.

The bigger the stall is, the more manpower is needed, and the more funds and resources are needed.

These studies are not ordinary studies. Fortunately, He Gui was able to copy a lot of technology from modern times, otherwise

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