Ключевые слова: abrasive, ancient, background, black, blade, butcher, closeup, cook, cut, domestic, edge, equipment, grind, grinder, grinding, grindstone, hand, handle, hone, industrial, industry, instrument, iron, isolated, kitchen, knife, machine, man, metal, object, preparation, rough, sharp, sharpen, sharpener, sharpening, single, stainless, steel, stone, surface, table, tool, utensil, vintage, water, whet, whetstone, white, work,