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Bar owners can put such an apparatus on a bar and offer customers a variety of alcoholic beverages saturated with oxygen. This will be a quite noticeable increase in profit. Cocktails in pharmacies will go well. After all, people come there initially with the goal of strengthening their health, therefore fast and inexpensive, and besides, a pleasant one, a way to increase immunity and gain strength, will become very popular. In fitness clubs and healing centers, oxygen installations will come to the place in any case. And shopping centers and playgrounds from placing points selling oxygen cocktails will be doubly. After all, children really like the unusual foam of oxygen cocktails, and they will persuade their parents to go there.