Why are the wall surfaces of roadway tunnels often lined with white ceramic tiles?
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http://science.howstuffworks.com/question674.htm
- Ceramic tiles are fairly easy to clean because particles of dirt and grime generally don't get imbedded in the material
- You can easily arrange them to cover pretty much any shape.
- Ceramic Tiles are also easy and inexpensive to replace.
- Tile is also a good reflective surface. So you need less artificial lighting
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Driving thought tunnels
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Too bad they're not good in the Sound Absorption department!
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M$
You can leave an optional "tip" with Mahalo's virtual currency, Mahalo Dollars. If you are asking a difficult question that might require some research, or if you'd like a wide variety of feedback, a higher tip often leads to more answers to your question.
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