According to the McGraw-Hill Dictionary of Scientific and Technical Terms, [8] a "manhole" is "[a]n opening to provide access to a tank or boiler, to underground passages, or in a deck or bulkhead of a ship; usually covered with a cast iron or steel plate.
Selon le McGraw-Hill Dictionary of Scientific and Technical Terms [8] , un «manhole» (« trou d'homme ») est « [a]nopening to provide access to a tank or boiler, to underground passages, or in a deck or bulkhead of a ship; usually covered with a cast iron or steel plate.