Ключевые слова: background, blade, building, carpentry, circle, circular, closeup, construction, cutting, diamond, drill, electric, electrical, electricity, engineering, equipment, factory, grind, grinder, improvement, industrial, iron, machine, machinery, manual, manufacturing, mask, mechanic, metal, nobody, object, objects, old, power, radial, rotary, saw, spark, steel, technical, technology, timber, tool, welding, wheel, work, workbench, workpiece, workplace, workshop,