So, not sure who came first, but this mod has the Pressure Forge and the Kiln, which share the same sprites as the Petrochemical Facility and Arc Furnace of the Age of Production mod.
Any chance these could be changed (or let me know if you are the original)? It's a bit confusion with the duplicates.

Those graphics are part of a set made by Hurricane046. (https://mods.factorio.com/user/Hurricane046)

A sizeable chunk of Factorio mods draw upon them, so overlap like this is bound to happen. Just think of them as similar buildings by the same architect, like Assembly Machine 2 vs. Assembly Machine 3.