threader: 24 phrases in 13 subjects |
Automated equipment | 1 |
Building structures | 3 |
Construction | 2 |
Dentistry | 3 |
Fish farming pisciculture | 1 |
General | 2 |
Household appliances | 1 |
Mass media | 1 |
Military | 2 |
Rail transport | 2 |
Surgery | 1 |
Textile industry | 3 |
Transport | 2 |