Assembly of product without conveyor

Hi all,

I have a stationary position where my engine would stand and I want to create assembly scenarios so humans and robots do the separate assembly on top of the engine.
I created all products in Process modeling, and create the assembly stage in the engine flow group too.
I want to use 4 different feeders for 4 different parts.(2 for human, 2 for robot). what process component should i use to modify the assembly scenario? It seems that there are two components that could be used with the conveyor. But I just have one product and I don’t need a conveyor, I should avoid it completely because of simulation purpose.

What are your suggestions?