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basic knowledge of grinding wheel new registon costa rica

Cutting and grinding may introduce deformations. these must be removed by polishing down to 6.0, 3.0, or 1.0 m, depending on the hardness test load. for small loads less than 300 gf1 the surface needs to be completely free of deformations, and the specimens require oxide or electrolytic polishing to obtain a completely damagefree surface.

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