| Share | Phrase |
|---|
| 23.02% | two-piece [structure] plug |
| 13.53% | two-piece [structure] housing |
| 11.46% | two-piece [structure] construction |
| 10.38% | two-piece [structure] body |
| 9.56% | two-piece [structure] igniter |
| 7.47% | two-piece [structure] piston |
| 5.10% | two-piece [structure] subassembly |
| 3.83% | two-piece [structure] design |
| 3.49% | two-piece [structure] valve |
| 3.28% | two-piece [structure] rod |
| 3.10% | two-piece [structure] structure |
| 3.00% | two-piece [structure] member |
| 2.70% | two-piece [structure] assembly |