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The Epic Interactive Encyclopedia 1998
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Epic Interactive Encyclopedia, The - 1998 Edition (1998)(Epic Marketing).iso
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Screw
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INFOTEXT
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1992-09-03
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291b
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9 lines
A screw in construction, is a cylindrical or
tapering piece of metal or plastic (or
formerly wood) with a helical groove cut into
it. Each turn of a screw moves it forward or
backwards by a distance equal to the pitch
(the spacing between neighbouring threads).
Subject by: Shaun Jay