The reliability of machinery is inversely proportional to the number and significance of any persons watching it.
機械の信頼性は見ている人の数と重要性に反比例する
ワトソンの法則
The reliability of machinery is inversely proportional to the number and significance of any persons watching it.
機械の信頼性は見ている人の数と重要性に反比例する
ワトソンの法則