Freely route pipes underground, turning corners and running long distances, with intuitive costs.
Mods introducing new content into the game.
Augmented or new ways of transporting materials - belts, inserters, pipes!
Could you add compatibility with bobs metals, chemicals and intermediates so that there can be underground pipelayers of all its pipes?
You can use any of Bob's pipes underground. I am not in a hurry to make non-iron pipelayer connectors, because it would make the code of the mod more complicated.