spot : 43 phrases in 17 subjects |
Commerce | 1 |
Communications | 7 |
Earth sciences | 1 |
Electronics | 7 |
Finances | 8 |
Health care | 2 |
Information technology | 2 |
Lighting other than cinema | 1 |
Materials science | 1 |
Medical | 1 |
Metallurgy | 1 |
Radio | 5 |
Technology | 1 |
Telegraphy | 1 |
Thermal Energy | 1 |
Transport | 2 |
Vacuum tubes | 1 |