Analyzer
Sentence analysis
8Spans
Sentence
Span Details
安全装置
safety devicenoun
が
subject markergrammar
作動
operation; functioning; runningnoun, suru verb
して、
light/support verb with a noun or noun-like phrase-> するgrammar
事故
accident; incident; trouble; circumstances; reasonsnoun
を
object markergrammar
防い
defend against; protect against; prevent; avert; avoid-> 防ぐgodan verb
だ。
past tense or completed action-> たgrammar