On 8th of October 2019 education for high school teachers of the Textile study group and the Fashion design study group took place at the Department of Textiles, Graphic Arts and Design, Faculty of Natural Sciences and Engineering University of Ljubljana. Education was held under the auspices of Institute of the Republic of Slovenia for Vocational Educational and Training (CPI). Prof. Dr. Petra Eva Forte Tavčer gave lecture entitled Chemicals in clothing and their impact on health, assist. Prof. Dr. Mateja Kert gave lecture and workshop entitled Printing with microencapsulated thermochromic dyes.