event tree
イベントツリー
event structure
Root cause analysis
Ishikawa diagram
Why-Because analysis
Failure mode and effects analysis (FMEA)
https://source.unsplash.com/featured/?event-tree#.png
/suto3/google.iconevent tree
/suto3/Google画像検索.iconevent tree
/suto3/Google定義検索.icon event tree
/suto3/wikipedia.iconevent tree
/suto3/weblio.icon event tree
/suto3/kotobank.icon event tree
/suto3/jisho.icon event tree