41 Arranging, conducting and organization of seminars in the fields of science and technology, electronic data processing, computer science, computer programming, manufacturing a computer, assembly and processing of electronic parts, and techniques for producing products by 3D printers; education and training, namely, providing classes in the field of electronic data processing; teaching of knowledge, namely, providing classes in the field of electronic data processing; teaching of knowledge, namely, providing classes concerning machine equipment; teaching of knowledge, namely, providing classes concerning scientific experiments