Ultrasonic Flaw Detector ndi chipangizo choyesera chosawononga chomwe chimagwiritsidwa ntchito poyesa kulephera kwa zinthu ndi malo, kuyeza makulidwe a khoma, ndi zina zambiri komanso zoyenera pazida zazikulu zosiyanasiyana zogwirira ntchito komanso kuyeza kwake.