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Plumb Line

Revision as of 18:25, 8 April 2019 by NRJC (talk | contribs) (Created page with "==Key Stage 4== ===Meaning=== A '''plum line''' is a weight on a string which can be used to find the direction of gravity.")
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Key Stage 4

Meaning

A plum line is a weight on a string which can be used to find the direction of gravity.