[4.0] Construction with no block connected

[Welingen]

Hello,

I'm trying many construction plant, very thanx all player for share , and i find some with no connector between production station like this :

viewtopic.php?f=195&t=433328&p=5048029#p5048029

I want to know if is it a bug ? or we don't need to connect production station each other to work ?

Thanx

[Baconnaise]

It's not a bug or exploit. X-Rebirth requires no connection either. Mass traffic.