A few days ago
my 3 boys

the difference between rulers and sraightedge rulers?

the difference between rulers and sraightedge rulers?

Top 1 Answers
A few days ago
Anonymous

Favorite Answer

A straightedge ruler is manufactured to a far higher specification than an everyday ruler. Great care is taken to ensure the markings are accurate within very small tolerances, and the edge is precision milled to ensure it is perfectly straight.
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