Yes, when we say that women going into non-traditional occupations has considerably improved working conditions and workplace safety, it is because some tasks have been mechanized. For example, in the past, letter carriers had to carry the mail on their backs. But since there have been more and more women, mail is carried in a cart. So as a result, even male letter carriers have significantly fewer back problems.
On May 14th, 2012. See this statement in context.