On December 22, 2020, the National Ozone Unit experts visited Yerevan, Armavir and Ararat Regional State Colleges, and on January 18, 2021, Yerevan Regional State College to provide complementary equipment for the workshops.

Each of the colleges was provided with one portable training simulator prepared by the RAC expert, with two sets of thematic posters developed by the UN Environmental Program and adopted into Armenian by the National Ozone Unit, outlining the operating mechanisms of refrigeration equipment. The RAC expert demonstrated the work of the training stand and the tools used thereby, their significance and features.

The meetings were attended by 35 first-year and second-year students of the «Refrigeration System» specialty and representatives of the teaching staff.