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Diaphragm arch


A diaphragm arch is a transverse wall-bearing arch forming a partial wall dividing a vault or a ceiling into compartments.

When used under a wooden roof, it has the advantage of providing a partial firebreak. It was first used in Roman Syria, during the 2nd century AD.




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Wikipedia

1,000 EXTRA POINTS!

Don't forget! that as one of our early users, you are eligible to receive the 1,000 point bonus as soon as you have created five (5) acceptable piglix.

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