PIOTR MICHALSKI

85.69.Z - Educational support activities, not classified elsewhere

42.99.Z - Works related to the construction of other civil engineering and water engineering objects, not classified elsewhere

43.12.Z - Site preparation for construction

43.22.Z - Installation of plumbing, heating, and air-conditioning systems

43.99.Z - Other specialized construction works, not classified elsewhere

49.41.Z - Road freight transport

85.51.Z - Non-school forms of sports education and recreational and sports activities

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

86.92.Z - Emergency medical services

86.94.Z - Nursing and midwifery activities

86.96.Z - Traditional, complementary, and alternative medicine activities

86.99.D - Other healthcare services

93.19.Z - Sports activities, not elsewhere classified

93.29.B - Other entertainment and recreational activities, not elsewhere classified

96.23.Z - Spa, sauna, and steam bath services