In Factorio, a Circuit Network is built using Red or Green wires, which broadcast information from the connected sender. These senders can be Chests, Inserters, Train Stops, and more.

How to load and unload Factorio trains Loading and unloading the train is achieved using inserters. You can align up to twelve inserters with one Cargo Wagon (six per side).

To use someone else's Blueprints, you'll need to first import them into your game; below, we'll take a look at how to import and use another player's Blueprints.