Its used for the new Module upgrade parts. Too lazy to tell you anything else. (Since you where too lazy to read the change log or any of the other threads discussing these modules)
no need for offense, sir.
honestly, I've read changelog and I've searched for info, 'cause I am IC users since ic^1.
but, if you dont know what you are looking for, you dont find answer. I looked for "slots" so I found nothing.
I try to look for upgrade parts
by the way, there is no info in forum: http://forum.industrial-craft.…2&highlight=upgrade+parts
only one piece of info is here:
but thanks ANYWAY, all I need was direction.