For the spirit of DIY to penetrate into consumer life, it is crucial to train specialists who can teach amateurs know-how of DIY so that DIY may be promoted in a desirable manner and the DIY industry may achieve a wholesome development. In an effort to train such staff so that DIY may be enjoyed by as many people as possible, we have been conducting annual DIY adviser certificate tests since 1983. In 39 qualification exams up to 2022, there are now over 13,100 advisers who are engaged in promoting DIY according to its spirit.

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