Contains mods:
BuildCraft Transport (buildcrafttransport) - 7.99.20-pre4
BuildCraft Lib (buildcraftlib) - 7.99.20-pre4
BuildCraft Builders (buildcraftbuilders) - 7.99.20-pre4
BuildCraft Silicon (buildcraftsilicon) - 7.99.20-pre4
BuildCraft Compat (buildcraftcompat) - 7.99.20-pre4
BuildCraft (buildcraftcore) - 7.99.20-pre4
BuildCraft Robotics (buildcraftrobotics) - 7.99.20-pre4
BuildCraft Energy (buildcraftenergy) - 7.99.20-pre4
BuildCraft Factory (buildcraftfactory) - 7.99.20-pre4