Iindlela ze-NDT zomphezulu wemigaqo yokukhetha intsimbi yomthungo othe tye: umbhobho wentsimbi yamagnetic kufuneka usetyenziswe kuvavanyo lwamasuntswana omagnetic;intsimbi engeyiyo i-ferromagnetic kufuneka isetyenziswe kuvavanyo lokungena.Ukulibaziseka ukuqhekezwa kokuqhekeka kwamalungu adityanisiweyo, umphezulu kufuneka ube luvavanyo olungonakalisi emva kwe-welding c...
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