Bandera de Estados Unidos

Un sitio oficial del Gobierno de Estados Unidos, Departamento de Justicia.

Firearms Examiner Training

Grinding

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Photo of a grinding wheel
Grinding wheel
National Institute of Justice (NIJ) (ver política de reutilización).

Grinding is the work of an abrasive material against metal. A grinding wheel is a bound mass of grit formed from materials harder than steel. Rotated at high speed, grinding wheels remove a significant amount of material in a short time. Depending on the size of the grit, the resulting surface can be crude or refined.

 

 

Courtesy of Ann Davis

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