Ключевые слова: black, blade, closeup, concept, craft, cut, cutting, device, electric, emery, equipment, fabric, fabrication, form, friction, grind, grinder, grinding, grindstone, heavy, industrial, industry, iron, knife, machine, machinery, manufacture, manufacturing, master, metal, power, process, production, profession, professional, sandpaper, sharpen, sharpener, sharpening, sparkle, sparks, steel, stone, table, tool, tradition, traditional, whetstone, work, workshop,