Ключевые слова: accommodation, adult, advertisement, apartment, authenticate, authorized, blank, business, businesscard, concepts, connection, consultant, deal, desk, digital, equipment, exchange, exchanging, executive, gesture, giving, hand, handle, hiring, holding, holiday, home, homesecurity, hotel, intercom, introduction, intruder, key, lock, luxury, male, meeting, panel, partnership, person, professional, protect, safe, safeguard, show, sign, team, technology, validation, woman,