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Question added by Deleted user, , - 10 years ago

الاكسجين نسبتة 21% هل ان رفعت الى 22% تزيد من الحريق ام توقف اشتعالة؟

Workplace Safety

Safety

Fire Safety

الصحة المهنية

Answers:
12
Followers:
3
Views:
66
Vote Count:
1

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