Quality certificate: 30 phrases in 18 subjects |
Aviation | 1 |
Business | 3 |
Commerce | 2 |
Cooking | 1 |
Customs | 1 |
Economy | 2 |
Energy industry | 1 |
Food industry | 1 |
General | 4 |
Industry | 1 |
Law | 1 |
Oil / petroleum | 3 |
Oil processing plants | 1 |
Pharmacology | 1 |
Production | 1 |
Quality control and standards | 1 |
Technology | 4 |
Telecommunications | 1 |