masking : 175 phrases in 37 subjects |
Analytical chemistry | 1 |
Antennas and waveguides | 2 |
Aviation | 2 |
Chemistry | 2 |
Communications | 5 |
Computers | 35 |
Construction | 4 |
Cultural studies | 3 |
Earth sciences | 7 |
Electronics | 10 |
Environment | 2 |
Fencing | 3 |
Forestry | 2 |
General | 16 |
Health care | 6 |
Hobbies and pastimes | 1 |
Industry | 2 |
Information technology | 12 |
Labor law | 3 |
Mathematics | 1 |
Medical | 14 |
Medical appliances | 14 |
Metallurgy | 2 |
Microsoft | 2 |
Military | 1 |
Natural resourses and wildlife conservation | 2 |
Natural sciences | 6 |
Nuclear physics | 1 |
Packaging | 1 |
Paragliding | 1 |
Patents | 1 |
Radiation | 1 |
Radio | 1 |
Reliability | 2 |
Technology | 1 |
Textile industry | 2 |
Transport | 4 |