The present spread of coronavirus (COVID-19) threatens national health systems in all nations [5]. The United States has become one of the most affected countries to be hit by the increase in COVID-19 in public health, emergency health care, and hospitals [6]. Unfortunately, the rate of...
tbmooisks stheeairrcfhliignhgtsinorthdeellaibyrary, locating patients in a hospital, finding people trapped in a burning building, finding an individual's luggage without removing it from the vehicle or the aircraft in an airport and reminding passengers of flights and boarding gates so that ...