Several B.C. aviation technicians are speaking out after being exposed to harmful levels of highly toxic chemicals while working in a hangar in Abbotsford, B.C.

"The whole one side of my face went numb. I lost vision in my eye," recalled former Cascade Aerospace aircraft maintenance engineer Marlene Moore. "I actually had to go to the bathroom and look in the mirror to see if I was having a stroke."

CBC News interviewed seven former and current Cascade employees, who called the stripping and painting of aircraft using toxic chemicals the company's "dirty little secret."

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