How screw Jack works?

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โˆ™ 2010-10-25 05:46:47

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A screw jack is just that, a big screw in a base. As the screw is screwed out, it raises whatever it is under. A scissor jack that is in most new cars uses a screw to pull the jack together which causes it to raise up.

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โˆ™ 2010-10-25 05:46:47
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Q: How screw Jack works?
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