Which ONE or MORE among the following options CORRECTLY match(es) the type of defects with the corresponding metal working processes in which they are likely to occur?
| Defect Code | Defect | Process Code | Process |
|---|
| P | Centerburst | 1 | Deep drawing |
| Q | Earing | 2 | Rolling |
| R | Zipper cracks | 3 | Extrusion |
| S | Cold shut | 4 | Closed die forging |
| | 5 | Casting |