This study aims at investigating key skills that construction industry demands by analyzing on-site professionals' opinions. The study distributed questionnaire to on-site construction professionals that has 12 areas for basic skills for jobs needed for construction technicians and asked the degree of the importance of each area. 11 areas that the questionnaire selected are based on the precedent researches and 1062 Ju-Young Hwang et al. 1 area 'job understanding ability' that is based on the

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... inions of on-site professionals of construction industry and the research team. This study presents 8 key skills that are needed for professional high school student: self-management ability, job understanding ability, human relationship ability, technology application ability, problem solving ability, communication ability, organization understanding ability, and foreign language ability.