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The Epic Interactive Encyclopedia 1996
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Epic Interactive Encyclopedia, The (1996)(Epic Marketing)[non-bootable].iso
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pulley
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1992-09-02
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277b
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9 lines
A pulley is a simple machine consisting of a
fixed, grooved wheel, sometimes in a block,
around which a rope or chain can be run. A
simple pulley serves only to change the
direction of the applied effort (as in a
simple hoist for raising loads).
Subject by: Vince Pike