I had a woman laborer foreman that away from the jobsite would hit on anything with two legs, male or female.
In 50 years, I hired and/or promoted a number of women in construction. Women designers, subcontracting company owners, project managers, foremen and tradesman.
By the way, everyone, a “50 lb. sack of cement” makes no sense. A bag of portland cement is a cubic foot and weight is 94 lbs. It is hardly ever “carried around a jobsite” as its mixed at a plant.
A pre-mix bag of Sackcrete or similar with sand and aggregate that pre-measured for field use with water is 60 pounds typically.
There are bags of mortar mix etc. and your mileage may vary if you floss regularly.
Thankfully, after one day, she quit to become a bus driver. I've always thought I might not have been able to fire her if she hadn't quit. I never considered hiring another, it was clear she couldn't keep up. It's really not all that different than men's and women's sports.
Chris Evert said it best when she was the woman's #1 tennis player.
As to designers, and desk construction jobs, there wouldn't ever be a problem. The strength thing WAS a problem.