obstacle | |
forestr. | hinder |
transp. el. construct. | hinder |
detection device | |
el. | demodulator |
obstacle : 34 phrases in 18 subjects |
Agriculture | 2 |
Commerce | 1 |
Communications | 3 |
Economics | 1 |
Education | 1 |
Electric machinery | 1 |
Electronics | 3 |
Finances | 1 |
General | 1 |
Information technology | 2 |
Labor law | 1 |
Life sciences | 1 |
Lighting other than cinema | 1 |
Medical | 1 |
Power lines | 1 |
Radio | 1 |
Social science | 1 |
Transport | 11 |