| | | Observed value | TFN | | Min. | Mean | Max. |
| | Raw material inventory (days) | 1.2 | 2.01 | 2.7 | (1.11, 2.01, 2.78) | | Cutting (s) | 16 | 19.84 | 24 | (15.57, 19.84, 24.46) | | Buffer 1 (days) | 0.3 | 0.80 | 1.4 | (0.24, 0.80, 1.47) | | Prefitting (s) | 27 | 30.05 | 34 | (26.66, 30.05, 34.44) | | Buffer 2 (days) | 1.1 | 1.49 | 2.0 | (1.06, 1.49, 2.06) | | Computer stitching (s) | 303 | 320.60 | 334 | (301.04, 320.60, 335.49) | | Buffer 3 (days) | 0 | 0.43 | 0.8 | (0, 0.43, 0.84) | | Manual stitching (s) | 271 | 298.06 | 327 | (268.00, 298.06, 330.22) | | Buffer 4 (days) | 0.5 | 1.91 | 4.4 | (0.34, 1.91, 4.68) | | Assembly (s) | 485 | 510.58 | 547 | (482.16, 510.58, 551.05) | | Buffer 5 (days) | 0.5 | 2.18 | 4.5 | (0.31, 2.18, 4.76) |
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