#poka-yoke

"Poka-yoke (ポカヨケ, Poka-yoke?) (IPA: [poka joke]) is a Japanese term that means "fail-safing", "Foolproof" or "mistake-proofing" — avoiding (yokeru) inadvertent errors (poka)) is a behavior-shaping constraint, or a method of preventing errors by putting limits on how an operation can be performed in order to force the correct completion of the operation."