Nodes:
INLET1INLET2OUTLET-1GRINDER-1
Edges:
From INLET1  To GRINDER-1  At Port 0
From GRINDER-1  To OUTLET-1  At Port 1
FromToAt Port
Tank:
Tank1 pluged INLET1
Tank2 pluged INLET2
Tank3 pluged OUTLET
Not Delegated 
Orders:
TODO: