Press "R" to change from Concrete placement to Hazard Concrete placement and back.
Bad issue with blueprints.
See suggestion: https://forums.factorio.com/viewtopic.php?f=33&t=70255
Providing the player with new tools or adjusting the game interface, without fundamentally changing gameplay.
Press "R" to change from Concrete placement to Hazard Concrete placement and back.
Bad issue with blueprints.
See suggestion: https://forums.factorio.com/viewtopic.php?f=33&t=70255