... applies:Daily things as the the gold ,silver,jewelry , headwear , brooch , glasses , watch chain ,pen , CD, shave palpus knife , comb , ... it aroma , stir an egg voluntarily.4.The proces industry of jade and ornaments: There are a large amount ... Appliances of bank , office , financial affairs , industrial art , advertisement industry: the printer , shower nozzle , needle pen , fountain pen , brush, ...