poka-yoke
ポカよけ
Defensive design
Fail-safe
Idiot-proof
Interlock
Murphy's law
Pointing and calling
/suto3/google.iconpoka-yoke
/suto3/Google画像検索.iconpoka-yoke
/suto3/Google定義検索.icon poka-yoke
/suto3/wikipedia.iconpoka-yoke
/suto3/weblio.icon poka-yoke
/suto3/kotobank.icon poka-yoke
/suto3/jisho.icon poka-yoke