Maciej Jasiński Fizyk Wyjaśnia

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

59.11.Z - Motion picture, video and television programme production activities

62.01.Z - Computer programming activities

62.02.Z - Computer consultancy activities

62.03.Z - Computer facilities management activities

63.12.Z - Web portals

73.12.C - Intermediation in the sale of the place on advertising aims in electronic media (Internet)

85.59.B - Other out-of-school forms of education, not elsewhere classified

85.60.Z - Educational support activities