마스크
Wearing masks
Masks are a normal courtesy when you're sick, and common on high fine-dust days.
DoWear one if you have a cold, especially on public transport. · Check the fine-dust forecast on bad-air days.
AvoidDon't cough or sneeze into the open air. · Don't comment on someone else's mask.
Суваг руу нийтлэхийн тулд нэвтэрнэ үү