Ключевые слова: accounting, african, american, arrow, audit, background, banner, black, building, businesswoman, calculate, calculating, calculator, concept, construction, copy, cost, desk, ecology, economy, effectively, efficiency, efficient, electricity, energetic, energy, female, front, girl, house, insulation, label, lady, level, office, panoramic, power, rate, rating, save, saving, scale, space, white, woman, women, young,