16 printed magazines and newsletters about the extraction, production, processing, trading, pricing, and applications of metallic minerals and metals including iron and steel
41 educational services, namely, arranging and conducting symposia and conferences about the extraction, production, processing, trading, pricing, and applications of metallic minerals including iron and steel
42 computer services, namely, on-line magazines and newsletters about the extraction, production, processing, trading, pricing, and applications of metallic minerals and metals including iron and steel