And it's no surprise that people died, because you don't know how much gas each person is going to inhale, what position they'll fall in when they become unconscious, and so on.
ولم تكن مفاجأة ان يموت الناس لانك لا تعلم كم من الغاز سوف يستنشق كل شخص وماهي وضعية سقوطهم عندما يفقدوا الوعي وهكذا