(a)
| Centroid Z gap data base | Fixed cast | Unfixed cast | Fixed titan. | Unfixed titan. |
|---|---|---|---|---|
| 1 | 12.1 | 5.8 | 3.2 | 2.0 |
| 2 | 31.7 | 19.3 | 8.7 | 4.4 |
| 3 | 12.8 | 12.8 | 3.9 | 3.8 |
| 4 | 29.9 | 17.2 | 8.6 | 4.8 |
| 5 | 18.5 | 12.1 | 4.4 | 3.0 |
| 6 | 1.9 | 1.5 | ||
| 7 | 2.1 | 1.2 | ||
| 8 | 0.9 | 0.9 | ||
| 9 | 1.3 | 0.9 | ||
| 10 | 2.3 | 1.9 |
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