Ключевые слова: asian, blade, business, circle, close up, closeup, craft, craftsman, disc, equipment, friction, grinder, grinding, grindstone, hand, human, industry, instrument, iron, jobs, knife, korean, machine, macro, man, manufacture, mask, metal, object, old, people, person, power, process, professional, repair, sharp, sharpen, sharpener, sharpening, skill, steel, stone, tool, utility, wheel, whetstone, white, work, workshop,