“For decades, [Toyota] used the practice of asking why five times in succession as a means of getting to the root of a particular manufacturing problem.” — Anonymous Copy Share Image
![“For decades, [Toyota] used the practice of asking why five times in succession as a means of getting to the root of a particular manufacturing problem.” quote by Anonymous](https://sms4smile.com/quotes/img-quotes/903/anonymous-1_manufacturing_for-decades-toyota-used-the-practice-of_2492211.jpg)