I must concur that this game is fantastic. Keep up the work devs and release new games!

"History was written by those who have hanged heros"

Since inserters will never fill a machine up with its required recipe items, you can fill them up for it. I do this regularly when I upgrade from coal to solid fuel, having to pick up maybe 10 stacks of coal, I'll just stick them into my boilers until they burn it away. For other items that have no...