engine order telegraph
present participle of shadow
In a high building, a stairway protected by several inches of concrete and entered through a kind of air lock that prevents the poluted smoke to enter inside it.
air lock
plural of spielfreak
(nautical) A device used by the pilot in the bridge to communicate the desired speed of the engines to the people manning the engine room.
船長は艦橋の機関指令信号装置を通じて、機関室に速力を落とすよう緊急の指示を送った。
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