Spiral Stairs Fabrication Proces How They’re Made

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Spiral stairs were once part of a strategy to defend the towers of medieval castles. See how they’re made today! Spiral stairs take less space than a conventional stair and can be a beautiful conversation piece as well. source/image(PrtSc): Science Channel Although a spiral staircase cannot be used as the main access to an area of your home, it can be a convenient way to get from one level...

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