Ключевые слова: above, baby, background, building, calculated, calculator, color, construct, construction, construction equipment, costing, costs, development, economics, equipment, flat, home, instruments, kids, kindergarten, kit, mathematical, mechanic, nursery, nuts, pink blue, plastic, play, profession, red, repair, screw driver, screwdriver, screwdriver wrench, set, tool, toolbox, top, toy, toy tools, view, work, worker,