Crafting a processing unit?

[Migel]

So, I just gained access to the modular armor. To craft it, I need processing units. To craft those, I need to craft Advanced Circuit, Electronic circuit and Sulfuric Acid in an assembly machine.

But how do I get a liquid into an assembly machine?

[PhxAs5As5in]

When you select an item to craft that requiers liquid, there will be an input port shown with a blue arrow on one side of the machine just like the refineries/chemical plants.

[Migel]

Ah! Alright, that makes sense. I always get the supply lines going before setting the recipe. Explains why I didnt see it.

Thanks :D

[TaterShovel]

You can also rotate the building so that input can be facing any direction.