diffuseurs : 55 phrases in 16 subjects |
Agriculture | 5 |
Chemistry | 1 |
Communications | 5 |
Earth sciences | 8 |
Energy industry | 1 |
Finances | 1 |
Health care | 4 |
Industry | 2 |
Lighting other than cinema | 2 |
Materials science | 2 |
Mechanic engineering | 10 |
Municipal planning | 3 |
Patents | 1 |
Physical sciences | 1 |
Telegraphy | 1 |
Transport | 8 |