هو عبارة عن ماصة سوائل سنية برأسين موصولين على مفتاح مدور يمكننا من التحكم بكمية الشفط لكلا رأسي الماصة ويسمح لنا بإيقاف كلا الرأسين او تشغيلها معا او بشكل منفصل للمخترع الدكتور محمد حلال حيث تمكن من الفوز بالمركز الرابع في المسابقة
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