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https://www.ohsas.sk/wp-content/uploads/2017/07/kurici.jpg640480Independent operation of low-pressure boilers with rated output up to 100 kW (Heating engineers VI. class) The training is intended for independent operation of boilers with rated output up to 100 kW. We provide training for all media and fuel types. Vocational training and refresher training for heating engineers of Classes I. to V. According […]