兵へい器き工こう場じょう

noun

arms factory; arsenal; ordnance factory

A factory that manufactures weapons and military equipment. The term is neutral and used in both historical and modern contexts.

• この町まちには昔むかし、大おおきな兵へい器き工こう場じょうがあった。

  There used to be a large arms factory in this town.

• 戦せん時じ中ちゅう、多おおくの兵へい器き工こう場じょうがフル稼か働どうしていた。

  During the war, many ordnance factories were operating at full capacity.