شفرة حلاقة

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Keep going شعر الذقن 29 أبريل 2023

حدد الباحثون سبب قدرة الشعر البشري على إزالة حافة ماكينة الحلاقة ، على الرغم من أن الشعر أكثر نعومة بمقدار 50 مرة من الفولاذ ربما تكون ق...

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