قطرات السوائل

فيديو: الى اي مدى يمكن ان يصل الرذاذ الذي ينتشر عند العطس؟

Keep going الجراثيم 12 مايو 2020

نعلم جميعًا أن العطس والسعال ينشران الجراثيم، لكن هل تساءلت يومًا إلى أي مدى يمكن أن تذهب هذه القطرات الصغيرة؟ في هذه الفيديو...

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