Non-destructive testing (NDT) is a wide group of analysis techniques used in science and technology industry to evaluate the properties of a material, component or system without causing damage.
Nnwale na-adịghị emebi emebi (NDT) bụ ọtụtụ usoro nyocha nke ejiri na sayensị na ụlọ ọrụ nyochaa njirimara nke ihe, akụrụngwa ma ọ bụ usoro n'enweghị mmebi.