DIAMOND PROCESSING, NAMELY LASER ENGRAVING OF DIAMONDS AND GEMSTONES FOR OTHERS; CUTTING AND POLISHING DIAMONDS FOR OTHERS; DIAMOND REFINING AND DEEP DIAMOND BOILING PROCESSING SERVICES, NAMELY, EXPOSING DIAMONDS TO SOLVENTS, CONCENTRATED CAUSTICS AND ACIDS UNDER HIGH TEMPERATURES AND PRESSURES

MINING OF DIAMONDS, NAMELY MINING AND MINERAL EXPLORATION SERVICES