File:Automated rail transportation (research).png
Automated rail transportation (research).png
File:Electric energy accumulators (research).png
Electric energy accumulators (research).png
File:Electric energy distribution 1 (research).png
Electric energy distribution 1 (research).png
File:Fill fluoroketone (cold) barrel.png
File:Rocket shooting speed (research).png
File:Worker robot cargo size (research).png