This is the 13750th most frequent Korean word.
마스크는
"마스크는" means "mask is" or "mask …" (topic marker).
Here, '마스크는' introduces the mask as the topic of the sentence and its purpose of usage is explained.
마스크는 얼굴을 보호하기 위해 착용합니다.
Masks are worn to protect the face.
In this sentence, '마스크는' highlights masks and discusses their variations in design for a broad context.
마스크는 다양한 디자인으로 제공됩니다.
Masks are available in various designs.
In this context, '마스크는' marks masks as a general subject to emphasize their importance in recent times.