 |
| alarm bell: 30 phrases in 19 subjects |
| Architecture | 1 |
| Automobiles | 1 |
| Aviation | 1 |
| Christianity | 2 |
| Construction | 2 |
| General | 1 |
| Geology | 1 |
| Mass media | 1 |
| Medical | 1 |
| Military | 3 |
| Nautical | 2 |
| Obsolete / dated | 1 |
| Oil / petroleum | 1 |
| Quality control and standards | 1 |
| Rail transport | 2 |
| Security systems | 1 |
| Technology | 5 |
| Transport | 1 |
| Uncommon / rare | 2 |