It required "a grade one vocational qualification [equivalent to a degree from a junior college of that time] and a grade two academic qualification [equivalent to a degree from a three-year technical high school of that time]. Preparing for the test was difficult. Days were hard after you went to work too, both in the training period and when you actually were working.
「術科要甲級程度（相當五年制的工業學校），學科要乙級程度（相當三年制工業學校），準備考試辛苦，進廠後的日子，無論是訓練期間或正式工作卻更辛苦，如果不是對機械製作、維修真的有興趣，是很難樂在其中的」，他說。