41 Practical training and educational demonstrations in the fields of foreign languages, biology, chemistry, mathematics, physics, geography; education in the fields of foreign languages, biology, chemistry, mathematics, physics, geography rendered through correspondence courses; publishing of electronic publications; tuition, namely, foreign languages, biology, chemistry, mathematics, physics, geography; educational services, namely, providing classes in the fields of languages education, biology, chemistry, mathematics, physics, geography; teaching in the fields of foreign languages, biology, chemistry, mathematics, physics, geography; instruction in the fields of language education, biology, chemistry, mathematics, physics and geography education; educational information, namely, information on language, biology, chemistry, mathematics, physics and geography education