Polypropylene pipeline

flowchart LR ppZieglerNattaPolymerization["polimerizzazione PP Ziegler-Natta"] ppPelletizing["pelletizzazione PP"] ppZieglerNattaPolymerization --> ppPelletizing in_propylene(["C3H6"]):::input in_propylene --> ppZieglerNattaPolymerization out_polypropylene(["polipropilene"]):::output ppZieglerNattaPolymerization --> out_polypropylene in_polypropylene(["polipropilene"]):::input in_polypropylene --> ppPelletizing out_ppPellet(["pellet di polipropilene"]):::output ppPelletizing --> out_ppPellet classDef input fill:#e8f4ff,stroke:#06c classDef output fill:#e8ffe8,stroke:#0a7