Compact 1x1 loader requiring electricity to run. There are options to enable or modify capabilities like stacking, disable power consumption, or recipe cost.
Mods introducing new content into the game.
Augmented or new ways of transporting materials - belts, inserters, pipes!
Entities which interact with the circuit network.
Weird bug I encountered while making a train stop with chutes, if you put a loader over a tree stump it will turn itself around for some reason.