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Methods that raise your pay

• Ultrasonic testing

  Sound waves through metal. The most useful method to hold, and advanced versions pay well.

• Radiographic testing

  X-rays and radioactive sources. Highest paid, most regulated, and usually worked at night.

• Electromagnetic testing

  Eddy current work, heavily used in aerospace and on heat exchanger tubes.

• Magnetic particle and liquid penetrant testing

  The two simplest methods. Nearly everyone starts here and stacks others on top.