Ключевые слова: advertisement, advertising, avoid, boutique, business, commercial, consumer, covid19, distance, door, economy, enter, entrance, exhibition, glass, hang, hanging, hygiene, information, market, mask, message, notice, occupation, open, opening, owner, pandemic, prevention, protection, public, quarantine, restaurant, safe, safety, sale, security, service, shop, shopping, showcase, signboard, small business, social, store, supermarket, transparent, warning, welcome, window,