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.
Real Estate Lockboxes. A real estate combination lock box is a vault that holds house keys and normally attached to a door handle, gas meter, water pipe or gate. It is commonly used by real estate agents to show listing because it provides convenience access privilege to the house when the owner is not around. Lockboxes come in two forms; mechanical and electronic.