27th May 2013, 10:35
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#21
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This is my second home
Rover75 and Mreg Corsa.
Join Date: Nov 2006
Location: Sumweer onat mote o'dust (Sagin)
Posts: 21,752
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That simplifies it a lot, thanks.
Wiki doesn't help much other than illustrating why I asked: http://en.wikipedia.org/wiki/Screw
TC
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