IQ OQ PQ KWALIFIKACJA WALIDACJA Krzysztof Żarczyński

71.20.B - Inspection and issuing opinions on the technical condition of chimneys and ventilation ducts

33.12.Z - Repair and maintenance of machinery

33.13.Z - Repair and maintenance of electronic and optical devices

33.20.Z - Installation of industrial machinery, equipment, and devices

47.91.Z - Intermediary retail sale, non-specialized

70.22.Z - Head office activities and management consultancy

71.12.Z - Engineering activities and related technical consultancy

74.90.Z - Other professional, scientific and technical activities, not elsewhere classified

85.59.B - Courses and training for acquiring knowledge, skills, and professional qualifications in non-school forms