yeah I also memorized that answer, but my follow up question is: storm drain grates[0] seem to be commonly made in a rectangular form, why doesn't the same issu

yeah I also memorized that answer, but my follow up question is: storm drain grates[0] seem to be commonly made in a rectangular form, why doesn't the same issue apply there? [0] https://en.wikipedia.org/wiki/Storm_drain https://en.wikipedia.org/wiki/Storm_drain