 |
| hydrochloric acid: 48 phrases in 21 subjects |
| Agriculture | 2 |
| Agrochemistry | 1 |
| Caspian | 1 |
| Chemistry | 3 |
| Electronics | 1 |
| General | 2 |
| Gold mining | 1 |
| Industry | 2 |
| Makarov | 7 |
| Mechanic engineering | 1 |
| Medical | 5 |
| Metallurgy | 2 |
| Natural resourses and wildlife conservation | 5 |
| Oil / petroleum | 3 |
| Oil and gas | 1 |
| Pharmacology | 1 |
| Pulp and paper industry | 2 |
| Technology | 2 |
| Thermal engineering | 1 |
| Weapons of mass destruction | 4 |
| Well control | 1 |