OS

Precious metals, namely, osmium

Organizing, arranging and conducting of exhibitions of precious metals for commercial or advertising purposes; arranging, conducting and organization of exhibitions in the field of precious metals for business purposes

Educational services, namely, providing classes, seminars, conferences and workshops relating to precious metals; educational and instruction services, namely, conducting classes, seminars, conferences and workshops relating to arts, crafts, sports or general knowledge in the fields of precious metals; arranging, conducting and organization of seminars relating to precious metals; arranging, conducting and organization of exhibitions in the field of precious metals for entertainment purposes; organizing, arranging and conducting of exhibitions of precious metals for cultural or educational purposes