Any ceiling can be fitted with a tin ceiling, whether a traditional tin ceiling or one fitted into a drop ceiling panel frame. Tin ceilings are generally purchased in panels and are available in a wide variety of both traditional and modern patterns.
Cove or crown moulding which is fitted at the junction of a wall and ceiling.
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The room has two recesses fitted with wall to ceiling bookshelves.
Remote control ceiling fans are modern appliances that can be fitted at home or in the office. The setting and operations are done using a remote which provides so much convenience.
You need to be specific with this, which aircraft, which variant of the aircraft, right down to which engines are fitted, what load you are carrying etc etc etc Any change to this data will change the service ceiling.
Cold air falls...warm air rises
Yes. I have one in my new apartment. It is so annoying. Can't turn it off! I don't advise you get one.
I assume you mean the curtains on the Ark (known to Ashkenazi Jews - those from North and Eastern Europe - as the Aron Kodesh and to the Sephardi - Jews from Spain, Portugal and North Africa - as the Hekhal) used to contain the Sefer Torah, as any other curtains in a synagogue are likely to be practical and of little significance. These curtains are known as parochet (also spelled paroches or parokhet. Most Arks are also fitted with doors - in Ashkenazi and Mizrahi (Jews from the Middle East) synagogues, the curtains will be outside the doors while in Sephardi synagogues they'll be inside.
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Suspended ceilings may be found in many different places. They are sometimes fitted to improve the acoustics of a room, or to resist moisture, or reduce noise. They may also reduce heating bills and improve insulation.
Anything that doesn't allow light to pass through ! Some examples would be:- Bricks, wooden boards, heavy curtains or black plastic bags...