Public area items are mainly crowded with items that come into contact, such as handles, railings, desks, chairs, etc. In addition, pay attention to air disinfection. The main disinfectants that can disinfect items and air are chlorine disinfectants, such as 84 disinfectant and ether. If you can’t buy one, you can also disinfect the surface of the item with a tissue or towel dipped in disinfectant. In addition, you can also use 1:200 or 1:500 84 disinfectant, spraying with a spray bottle can play a strong disinfection effect on the air, so public areas with the above disinfectants can play a disinfection role.