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The first is because the barn door installation Way brings the problem of bad sealing, so isolated sound and smell of the effect is not good, such as a large kitchen fume, mind the smell to run to other rooms, the room is not big enough for the toilet is not very suitable to install barn door. And because it is not very good to install the door lock, privacy is not very good, the bedroom main door as far as possible not to install, but Mae'r ystafell wely fflat sengl a rhaniad yr ystafell fyw i wneud hyn yn dda iawn, nid yw'r gofod yn gymharol wlyb a sych yn sych yr ystafell ymolchi yn broblem, mae ystafell wely ystafell wely y gall ystafell wely ei gwneud hefyd, a ddefnyddir yn yr astudiaeth, nid yw balconi yn broblem .