التحديثات الأخيرة
-
Welding protectionWelder protection, the first step in welding. Welding is a delicate operation as soon as there is a significant rise in temperature and production of bright light, the welding mask makes it possible to limit the risks. However, electric arc welding adds the presence of current to it and the various gas protection methods additionally lead to the handling and release of...0 التعليقات 0 المشاركات 1كيلو بايت مشاهدة 0 معاينةالرجاء تسجيل الدخول , للأعجاب والمشاركة والتعليق على هذا!
المزيد من المنشورات