Ключевые слова: arrow, background, bevel gearing, black and white, brown, cog, cogwheel, component, concept, conic, detail, direction, down, energy, engrenages, equipment, gear, gearing, gears, indication, industrial, industry, machine, machine component, machinery, manufacturing, mechanic, mechanical, mechanical engineering, mechanics, mechanism, metal, objects, sign, spur, steel, texture, textured, toothing, up, wheel, wodden, wood,