At the end of the shift, the equipments used in the service area are token off from the machine and taken to the grinding area. The next day the all of the sharpened equipments are used in the service area. The glue which is mess with the pans are waited in the some liquids to remove the glue before sharpening application. The expansion feature of the metallic materials is kept in mind and the whole workplace stay in a specific temperature. Sharpening application is done by a worker whose shift is at night.