الحق جميل والعند شيمة الضعفاء
اتحداك ان لا تقراء الموضوع كامل .....
ادخل واستمتع بالموضوع
لن تستطيع ان تقاوم .....
مناظرات جميله
هل يستطيع اى شخص الرد على هذا ؟؟ .....
كنوز جميله
لازم تدخل تكمل الموضوع وتنشره فيه اسياء جميله ورائعه جدااااااااااااا .....
تعلم جيدا
افضل وسيله للرقى الانسانى بالتعلم الجيد ويبدء بالدين .....
الخميس، 6 سبتمبر 2018
الاثنين، 3 سبتمبر 2018
السبت، 1 سبتمبر 2018
الاثنين، 27 أغسطس 2018
الخميس، 19 يوليو 2018
Arc Welding Equipment. Arc Welding Arc welding Arc welding –uses electricity to heat and melt the metal. Shielded metal arc welding Shielded metal arc. - ppt download
12:40 ص
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Arc Welding Equipment. Arc Welding Arc welding Arc welding –uses electricity to heat and melt the metal. Shielded metal arc welding Shielded metal arc. - ppt download: Electricity and Welding Must have a basic understanding of electricity to understand welding Must have a basic understanding of electricity to understand welding Electricity is the flow of tiny particles called electrons through a conductor. Electricity is the flow of tiny particles called electrons through a conductor. –Electrons are negatively charged particles. –A conductor allows the flow of electrons. Voltage is a measure of electrical pressure. Voltage is a measure of electrical pressure.
Arc Welding. Objectives Apply your welding knowledge to construct a butt weld in a group activity with 75% accuracy. Demonstrate how to properly weld. - ppt download
12:39 ص
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: أسباب تعلم لماذا نحتاج إلى التخلص من الخبث؟ لماذا نحتاج إلى استخدام إجراءات السلامة المناسبة؟


Arc Welding Equipment. Arc Welding Arc welding Arc welding –uses electricity to heat and melt the metal. Shielded metal arc welding Shielded metal arc. - ppt download
12:35 ص
لا يوجد تعليقات
Arc Welding Equipment. Arc Welding Arc welding Arc welding –uses electricity to heat and melt the metal. Shielded metal arc welding Shielded metal arc. - ppt download: Electricity and Welding Must have a basic understanding of electricity to understand welding Must have a basic understanding of electricity to understand welding Electricity is the flow of tiny particles called electrons through a conductor. Electricity is the flow of tiny particles called electrons through a conductor. –Electrons are negatively charged particles. –A conductor allows the flow of electrons. Voltage is a measure of electrical pressure. Voltage is a measure of electrical pressure.
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