i am trying to do the "everything gets optimal" quest.
have a production value of at least 0 every 12 hours for iron
have a production value of at least 0 every 12 hours for coal
have a production value of at least 60 every 12 hours for iron swords.
i have
1 iron smelter
1 iron weapon smith
1 coking plant
i got the first 2 parts green and when i get the third green the other 2 go off. can someone explain it to me the easiest way possible