waitress staff wearing protection face mask turning blank vintage wooden sign board hanging on glass door in cafe restaurant, adve

advertisement advertising banner billboard blank board business cafe cafeteria close coffee concept corona covid customer distance distancing door empty end entrance face female food frame front glass hand hang hanging hotel lockdown marketing mask message new normal open order outbreak owner people protection pub quarantine restart restaurant service sign signboard small space staff store take takeaway text texture turning vintage virus waitress wearing wood wooden word working