Slide stops the insects cafeteria installed to prevent insects entering the cafeteria. This helps in preventing food-borne illness infection insect vectors.
Light installation at the canteen insect lai to prevent insects coming into plant food, which prevents the disease from food infection disease from insects as carriers.
The ใล่ insects, cafeteria, installed to protect against insects, in the canteen, which is the prevention of disease from infection from insect repellent is a carrier.