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| audio loop (13.05) | |||
| induction loop (an electromagnetic communication or detection system, which uses a moving magnet to induce an electrical current in a nearby wire Wiana) | |||
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hearing loop (для трансляции звука на слуховые аппараты, напр., в кинотеатрах  wikipedia.org fa158) | |||
| индукционная петля: 4 phrases in 3 subjects |
| Construction | 2 |
| Technology | 1 |
| Travel | 1 |