| traditionally | 3 | other |
| with tig welded construction | 3 | other |
| to improve rigidity | 3 | purpose |
| drum → be made of → steel | 12 |
| drum → be made from → steel | 6 |
| drum → be → steel | 3 |
| negative | neutral | positive |
| 0.116 | 0.727 | 0.157 |
| Raw frequency | 21 |
| Normalized frequency | 0.503 |
| Modifier score | 0.967 |
| Perplexity | 89.962 |