

Faults could be cracks, pin holes or welding laps on the mateal surface. The visible liquid dye penetrant testing is a three-step process of detecting faults in welds, castings, exotic alloys and standard materials
ترست بايلوت
منذ يوم واحد
منذ يومين
منذ 3 أسابيع
منذ أسبوعين