An open drain has no covers while a covered drain does.
When you open drains
one is open and the other is closed
the difference between open and closed population is that ...................................................................................................................................................................... go some where else to find the answer not on wiki awners.com
they are different because one is open and the other is closed
open, closed, upsetting
There is one major difference between an open DNS and a closed DNS. Open DNSs allow multiple users to connect easily while closed ones do not allow more users.
Storm drains have multiple opening which accept waters; Road culvert is an open-ended drains and placed at a road crossings .
open circulatory systems have sinuses and only have blood vessels
Polygons by definition are closed: when all the sides are connected and there are no open spaces between them.
"Show" is open, "and" is closed. O- is open, -pen is closed. "Closed" is closed.
nothing but heart
Shoes are closed in and Sandals are open.