public spaces halls, shopping centers, banks, museums, cinemas, theaters, convention centers, swimming pools, gyms, stores.
workplaces offices, corridors, meeting rooms, conference centers, common areas, television studios, data processing centers.
transport subways, airports, train stations, truck stops, gas stations and refueling.
education schools, libraries, universities, bookstores.
hospitality hotels, restaurants, wineries, meeting rooms, yoga studios.
healthcare outpatient clinics, doctors' offices, hospitals.