| 
      
        | S/n | Process | Distribution | Square    error |  
        | 1 | Mixer | 9.5+11 × BETA    (0.789, 0.848) | 0.000365 |  
        | 2 | Hopper | 4.5+6 × BETA    (1.37, 0.815) | 0.000534 |  
        | 3 | Extruder | 1.5+2 × BETA    (1.33, 1.42) | 0.000121 |  
        | 4 | Vacuum | 4.5+WEIB (0.873, 1.9) | 0.003243 |  
        | 5 | Cooling | 3.5+4 × BETA    (1.52, 0.678) | 0.001297 |  
        | 6 | Number of stamps | TRIA (1.5, 3.2, 4.5) | 0.00112 |  
        | 7 | Takeoff | 2.5+4 × BETA    (0.934, 0.903) | 0.0001232 |  
        | 8 | Balling | 9.5+6 × BETA    (0.935, 0.836) | 0.001245 |  |