What's the yellow trash can in front of the hotel room?

Rubbish On both sides of the hotel corridor, yellow trash cans and red plastic stools are neatly placed at the door of each room. There is a circle in the corridor at a certain distance, and there is an alarm at the door of the room. All garbage is treated according to the standard of medical waste, disinfected and collected by a professional disinfection team, and then transported to a special place by a professional transportation company for centralized treatment and destruction.