Cwi Training In Los Angeles -

“Your eyes lie to you,” he said, pointing to a bead that looked perfect to the naked eye. “Zoom in.”

“That’s not undercut, that’s just a grind mark,” Ray said, crossing his arms. cwi training in los angeles

“In this room, I have six weld coupons. On three of them, the defect is real. On three of them, I ground a fake defect into the metal to see if you’d call a false positive.” “Your eyes lie to you,” he said, pointing

The instructor, a 58-year-old former Navy NDT (Non-Destructive Testing) specialist named Marcus "Mack" Holloway, stood at the front. His left forearm was a roadmap of scar tissue from a slag burn he got in the Long Beach shipyards in 1992. On three of them, the defect is real

“Look again. This time, use the light.”

It was 92 degrees. The concrete radiated heat. A freight train rumbled past the facility, shaking the ground.