Visit the frozen mountains of planet Paracelsin, where mining zinc is a race against clogging and freezing.
Mods introducing new content into the game.
New places to build more factories.
Augmented or new ways of transporting materials - belts, inserters, pipes!
Map generation and terrain modification.
New Ores and resources as well as machines.
Things related to oil and other fluids.
Furnaces, assembling machines, production chains.
To craft zinc solder, you need an electrochemical plant... but you can't research the electrochemical plant unless zinc solder is made.
You can handcraft it -w-