14 PRECIOUS METALS SOLD IN BULK; PRECIOUS STONES, JEWELS, WATCH PARTS, CLOCKS, SYNTHETIC RUBIES USED AS PIVOTS FOR COG-WHEELS, GLASSES FOR WATCHES, WATCH-CAGES, SYNTHETIC GEM STONES FOR BUTTONS; SYNTHETIC GEM STONES USED IN INDUSTRY OR FOR WATCH MAKING, JEWELRY, ELECTRONIC, OPTICAL AND MEDIA RECORDING; SYNTHETIC GEM STONES FOR SCIENTIFIC, MEASURING AND CHECKING PURPOSES