I WONDER - What Job Did Women Do In WW1?

During the war, women transitioned from domestic roles to working in factories, producing weapons and ammunition. This work was hazardous, leading to health issues such as skin discoloration from chemical exposure. These women were nicknamed the Canary Girls due to their yellowed skin, reminiscent of the yellow bird.

What nickname was given to women who worked with dangerous chemicals?

Why were these women referred to as 'Canary Girls'?