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| مانع ؛حاجز | |||
| انْسِداد | |||
| عائق مانع لاسلكي كهربائي | |||
| English thesaurus | |||
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| obst ؛obstn | |||
| All fixed whether temporary or permanent and mobile objects, or parts thereof, that are located on an area intended for the surface movement of aircraft or that extend above a defined surface intended to protect aircraft in flight | |||
| ob | |||
| Movement hindrance built without destroying or damaging the route itself. (FRA) | |||
| obstruction: 9 phrases in 4 subjects |
| Lighting other than cinema | 2 |
| Medical | 2 |
| Remote sensing | 1 |
| Veterinary medicine | 4 |