41 Educational services, namely, conducting classes, seminars, conferences, workshops, retreats, camps and field trips in the field of mining and distribution of training material in connection therewith; Educational services, namely, conducting classes, seminars, conferences, workshops, retreats, camps and field trips in the field of mineral extraction and distribution of training material in connection therewith; Educational services, namely, conducting classes, seminars, conferences, workshops, retreats, camps and field trips in the field of mining semi-precious stones and distribution of training material in connection therewith; Educational services, namely, conducting classes, seminars, conferences, workshops, retreats, camps and field trips in the field of crystal extraction and distribution of training material in connection therewith; Educational services, namely, conducting classes, seminars, conferences, workshops, retreats, camps and field trips in the field of mining consulting and distribution of training material in connection therewith; Educational services, namely, conducting classes, seminars, conferences, workshops, retreats, camps and field trips in the field of digging consulting and distribution of training material in connection therewith; Educational services, namely, conducting classes, seminars, conferences, workshops, retreats, camps and field trips in the field of mineral education and distribution of training material in connection therewith; Organizing exhibitions for mineral extraction; Organizing exhibitions for crystal extraction; Organizing exhibitions for mining; Organizing exhibitions for mining semi-precious stones