This is the 19240th most frequent Korean word.
안전사고는
"Accidents related to safety."
In this sentence, '안전사고는' introduces the topic of safety accidents, setting the context for the sentence.
안전사고는 예방이 중요합니다.
Safety accidents should be prevented.
Here, '안전사고는' specifies the subject of the sentence, focusing on safety accidents in the context of schools.
학교에서 안전사고는 종종 발생합니다.
Safety accidents sometimes occur at schools.
In this example, '안전사고는' emphasizes that safety accidents can be mitigated with collective effort.