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The engineers installed a foolproof interlock so the machine cannot be operated incorrectly.
See correct answer
The engineers installed a foolproof interlock so the machine cannot be operated incorrectly.
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Related words
foolproof
IPA(Pronunciation)
Adjective
of a device
of an idea or plan
Japanese Meaning
（機器の場合）誤用やミスが起こらないように設計された、または保護された / （考えや計画の場合）あらゆる事態に対応でき、失敗する可能性が極めて低い、または成功がほぼ確実であるとされる
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