Has the technician finished testing the emergency stop?

How to say “Has the technician finished testing the emergency stop?” in Japanese

In Japanese

技術(ぎじゅつ)の人(ひと)、非常停止(ひじょうていし)ボタンの動作確認(どうさかくにん)はもう終(お)わったのかな？

Gijutsu no hito, hijō teishi botan no dōsa kakunin wa mō owatta no kana?

Has the technician finished testing the emergency stop? in other languages