0.17.47 NPE How do you unlock techs: Logistics, Logistic Science, & Mining efficiency?

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SirRumsky
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Burner Inserter
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0.17.47 NPE How do you unlock techs: Logistics, Logistic Science, & Mining efficiency?

Post by SirRumsky »

Working my way through the NPE/Campaign again, and cant figure out how to unlock the final 3 technologies. I've killed all the biter bases, caused an unending spawn, powered the radar, and started smelting in the electric smelters.

Any help appreciated.

base can be found attached in forum not a bug
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