noun
foolproof
Describes a design, system, or method that prevents misuse or mistakes, even by an inexperienced user. Common in engineering and product design contexts.
この装置はフールプルーフ設計になっている。
This device has a foolproof design.
フールプルーフの仕組みを導入することで、操作ミスを防
By introducing a foolproof mechanism, operational errors can be prevented.