metal parts on a flat grinder are treated with an abrasive wheel, sparks fly from under the circle, wide-angle photos. toned photo

abrasive accuracy are background carbide circle cnc cncmachine cncmachining color cooling cutter detail diamond engineering equipment factory flat fly from gearwheels grinder grinding industrial industry instrument iron machine machinery machining manufacture manufacturing mechanicalengineering mechanictools metal metalwork metalworking mill milling operation parts photo photos power precision process processing production rotation shaft sharpening spark sparks steel surface technology toned tool treated turning under wheel wideangle workshop