variable sampling : 27 phrases in 13 subjects |
Accounting | 1 |
Automobiles | 4 |
Aviation | 1 |
Business | 6 |
Chemistry | 2 |
Electronics | 1 |
International trade | 2 |
Marketing | 1 |
Mathematics | 1 |
Quality control and standards | 1 |
Statistics | 2 |
Technology | 4 |
Textile industry | 1 |