Ключевые слова: accessories, app, application, beach, certificate, certification, concept, control, coronavirus, covid19, digital, document, face mask, ffp2, flip flops, health, health care, identification, immune, immunity, immunity passport, kn95, leisure, mobile phone, passport, phone, qr code, screen, security, smart phone, smartphone, summer, summertime, technology, tourism, tourist, towel, transportation, travel, traveling, trip, vacation, vaccination, vaccine,