ballons : 108 phrases in 17 subjects |
Agriculture | 3 |
Chemistry | 6 |
Earth sciences | 5 |
Electronics | 2 |
General | 15 |
Hobbies and pastimes | 1 |
Industry | 10 |
Life sciences | 11 |
Materials science | 3 |
Mechanic engineering | 1 |
Medical | 4 |
Natural sciences | 4 |
Patents | 5 |
Physical sciences | 1 |
Research and development | 2 |
Technology | 25 |
Transport | 10 |