Ключевые слова: accuracy, balance concept, balance scale, balanced equation, balanced objects, balanced weights, comparison, comparison tool, contrast, counterbalance, counterweight, education, equal distribution, equal mass, equal proportion, equal weight, equilibrium, harmony, mathematical concept, mathematical principle, measurement, metal scale, perfect balance, physics, precision, precision instrument, scale stability, science, stable, static objects, symbol, symmetry, two balls, visual representation, weighing mechanism, weighing scale,