Aren't there drains specifically meant to limit the possible pressure differential, after people's organs got removed by ones than didn't have that feature?
Relying on a human operator for safety when you could make something inherently safe still seems like a design issue.
I haven't been to many pools, and only ones with a shallow end, but I don't think I've ever just seen an open pipe hole
Relying on a human operator for safety when you could make something inherently safe still seems like a design issue.
I haven't been to many pools, and only ones with a shallow end, but I don't think I've ever just seen an open pipe hole