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post #28 of Old 10-09-2007
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Originally Posted by Sasha_V View Post
RX Bot. Sorry, you are wrong. part of what makes a sheave a sheave is that it is free-spinning and turns by friction.
what makes it a pulley is that it is driven by something and in turn imparts power to the rope or belt running around it.
Somebody had best alert all the dictionary people, then, because they've got it wrong

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