Ключевые слова: acid, acidity, agent, alkaline, antacid, baking, bicarb, bicarbonate, brightening teeth, brush, chemical, cleaning, compound, cooking, cork, dental, eco, ecological, girl, glass, heartburn, hygiene, indigestion, medical, medicine, natural, neutralizer, object, powder, salt, soda, sodium, spoon, tooth, toothbrush, water, white, woman, yellow,