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| ==C== | | ==C== |
| + | ;<span id="Ceiling">Ceiling</span> |
| + | :[http://en.wikipedia.org/wiki/Ceiling '''Wikipedia:'''] A ceiling is an overhead interior surface that covers the upper limit of a room. It is not generally considered a structural element, but a finished surface concealing the underside of the floor or roof structure above. |
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| ==D== | | ==D== |