Ключевые слова: accuracy, accurate, background, balance, board, bubble, building, carpenter, closeup, concept, construction, copyspace, diy, engineering, equilibrium, equipment, exact, flat, glass, green, horizontal, industry, instrument, level, line, liquid, macro, measure, measurement, metal, number, perfection, precise, precision, ruler, spirit, stability, surface, symmetry, tool, tube, water, white, work, yellow,