TRANSPORT · TRANSPORT|land transport|land transport · PRODUCTION, TECHNOLOGY AND RESEARCH|technology and technical regulations
- béalóg iniúchta Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
- ga
- inspection port
- en
- Definition in airships,an opening covered with a transparent disc,designed to facilitate the inspection of the interior of an envelope or gas bag Reference Multilingual Aeronautical Dictionary(AGARD,1980)