Pushes back a small number of technologies in the Space Age tech tree. Part of the modpack Space Age: Hard Mode.
Small changes concerning balance, gameplay, or graphics.
Furnaces, assembling machines, production chains.
With the delayed infinite tech setting enabled techs seem to all skip a tier right before the infinite one kicks in.
E.g. Rocket Fuel productivity 1, 2 and then 4 is infinite Stronger Explosives 1, 2, 3, 4, 5, 6, 7, 8 and then 10 is infinite.