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scissor grinding hair

Sep 03 2011 · Scissor angles are measured from square which is called 0 degrees Paper cutting and older cast scissors will be ground at between 5 and 15 degrees leaving an acute angle at the edge Grinding the other way and leaving an obtuse edge called a negative angle is bad You may see this on low quality scissors or after poor sharpening jobs... As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.

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