It could be very significant. Many women in welding trades make $50,000, $60,000, $100,000 or more on an annual basis, and when you compare that with what they're able to receive on EI benefits, there is a significantly dramatic drop in pay.
Evidence of meeting #51 for Human Resources, Skills and Social Development and the Status of Persons with Disabilities in the 42nd Parliament, 1st Session. (The original version is on Parliament’s site, as are the minutes.) The winning word was welding.
A recording is available from Parliament.