Ключевые слова: abrasive, blade, closeup, craft, cut, dark, equipment, grind, grinder, grindstone, instrument, iron, knife, knife sharpening, machine, manufacture, metal, metallic, professional, reflexion, rough, sharp, sharpen, sharpener, sharpening, steel, stone, table, tool, tradition, traditional, utensil, waterstone, wet, whet, whetstone, whetting, wooden, work, workshop,