Match the following:
| Product | Process | |
| P | Rails | (1) Blow molding |
| Q | Engine crankshaft | (2) Extrusion |
| R | Aluminium channels | (3) Forging |
| S | PET water bottles | (4) Rolling |
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Match the following:
| Product | Process | |
| P | Rails | (1) Blow molding |
| Q | Engine crankshaft | (2) Extrusion |
| R | Aluminium channels | (3) Forging |
| S | PET water bottles | (4) Rolling |