41 Arranging and conducting conferences in the field of minerals, pigments, metals and chemicals; arranging and conducting congresses in the field of minerals, pigments, metals and chemicals; arranging and conducting symposiums in the field of minerals, pigments, metals and chemicals; arranging and conducting seminars in the field of minerals, pigments, metals and chemicals; arranging and conducting workshops in the field of minerals, pigments, metals and chemicals; publishing services, namely, publishing of electronic books and journals; publishing of electronic publications; publication of periodicals; publication of journals; publication of manuals; online publication of electronic books and journals; providing online non-downloadable electronic publications in the nature of electronic books and journals in the field of minerals, pigments, metals and chemicals