Tannins and human health: a review. Chung KT, Wong TY, Wei CI, Huang YW, Lin Y. Department of Microbiology and Molecular Cell Sciences, University of Memphis, TN 38152, USA. Tannins (commonly referred to as tannic acid) are water-soluble polyphenols that are present in many plant foods.
How to Cast Jewelry. Jewelry casting is a process of making jewelry pieces that involves the pouring of liquid metal alloy into a mold. It is usually referred to as lost-wax casting because the casting mold is created using a wax model that is melted away to leave a hollow chamber in the middle of the mold.
Simply a piece of gemstone, glass or other material shaped and polished. Shop a large selection of glass and gemstone cabochons and cabochon settings to create your own cabochon jewelry.Create vintage-style cameo jewelry from the selection of synthetic and natural material cameos also for sale here.imply a piece of gemstone, glass or other material shaped and polished. Shop a large selection of glass and gemstone cabochons and cabochon settings to create your own cabochon jewelry.