Ключевые слова: 1, 2diol, 2propanediol, alcohol, antifreeze, artificial smoke, atom, atomic, carbon, chemical, chemistry, deicing, drawing, e1520, flat, food additive, formula, glycol, humectant, hydrogen, icon, illustration, molecular, molecule, organic, oxygen, polyester, propane, propane1, propanediol, propylene, propylene glycol, solvent, structural, structure,