Do you know why in public toilets the lids are in the form of the letter “U”

If you've ever asked why the toilet shellboard in public toilets is different from those in your house, the answer is very simple in public toilets most often the shells are in the shape of the letter U, among them are holes, regardless of what's at home in [...]
In the most frequent public toilets, the shell is shaped like the letter U, among them are holes, unlike those which are in the house in the form of an O letter.
Such form is designed in the first place for hygienic causes.
Men use such a board to give more space for landing, and they reduce their access to the shell.
The other thing is, the shape of this kind of thing stops, the stained board after men urinate, it transmits experiments. Women face the problem of contacting the dirty plank with the cleaning case after urination, which prevents the form of letter W.










