Non Destructive Inspection (NDI) is various evaluation techniques working in scientific investigation and manufacture to identify the characteristics of a material, components or even process without causing damage. Because NDT Inspection should not totally transform the article which is examined, it is usually very reliable method that can assist you to save both of those time and expenses in services or products evaluation, troubleshooting, as well as analysis. Widespread techniques used now a day in the various industries include ultrasonic, magnetic-particle, liquid penetrant, radiographic, remote visual and optical inspection, eddy-current testing, leak testing, and magnetic flux leakage. This is widely used in the field of mechanical, electrical, civil, aeronautical engineering, nuclear, medicine, and art industries.