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Pipeworks adds pipes that can be used to transport fluids, and pneumatic tubes that can be used to move items. This mod works great with mesecons and technic, and really comes in useful when using them in tandem to create automated systems.

More mods by this modder

The framed glass mod adds a handful of new nodes, colored glass mostly.
Spruce up all your builds with the great models and nodes that the home decor modpack adds.
Replacement for Minetest creative inventory
Replacement for Minetest creative inventory