Dependent co-product                 Product B Displaced product                                           Displaced co-product                   Product C Additional product Dependent co-product        and so on… Figure 5.4 System expansion and delimitation when the displaced process has multiple outputs Process A Process I₁: Intermediate process Process D: Displaced process or sub-system (most sensitive supplier to B) Process C Displaced intermediate process (I₂) Process B Process E: Additional process or sub-system needed to cover lost supply of displaced co-product (most sensitive supplier to C) Process W₂: Displaced waste treatment of displaced co-product Process W₃: Additional waste treatment of co- product