The tile should be always very descriptive!
You can use an image to show what the module does:

Entity connection:
- Left transport is connected to wafer belt, that should be ideal to be built with T1 Unit transporter
- Right transport is connected to overflow belt for production using crystals
- C output of A=B is connected to Crystalizators to stop production of Wafers
- C output of A>B is connected to All other buildings to stop production of crystals
Full blueprint:
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Controller only blueprint:
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