This exams helper includes more than 1000 questions that cover the whole sections of AWS Certified Welding Inspector exams: - Welding Process - Heat Control & Metallurgy - Welding Examination - Definitions and Terminology - Symbols- Welding and NDE - Test method -NDE - Reports & Record - Duties and Responsibilities - Safety - Destructive Tests - Cutting - Brazing and Soldering You only need to make an one time payment of $15 to download and use the app forever. It works offline so you do not need an Internet connection to use it. If you practice with this app, you will likely score over 90% in your real exam. So it's time to download and practice. Good luck with your exam!