Dhowaan, waxaanu samaynay tijaabada penetrant inspection inspection (PT) ee shubista daawaynta sare ee chrome sida waafaqsan shuruudaha macaamiisha,Talaabooyinka yihiin as raacaya：
1. Nadiifi dusha la warshadeeyay
2. Ku buufi dhexda cas
3. Nadiifi galiyaha cas
4. Ku buufi horumariyaha cad, horumariyaha cad uma muuqan casaan, markaa ma jirto wax cillad ah oo ku shubashadan.