Adds lots of new ores, items, buildings and technologies. Yes believe me...
Large total conversion mods.
New ways to deal with enemies, be it attack or defense.
New Ores and resources as well as machines.
Things related to oil and other fluids.
Furnaces, assembling machines, production chains.
Changes to power production and distribution.
The building Lumber Mill requires wooden boards, to get wooden boards you need the building Lumber mill
Can't really progress further due to other items requiring wooden boards.
Wooden boards can now be handcrafted