... features of necklaces include features such as colorful stones (particularly gemstones / jewels), wood (usually carved or polished), art glass, feathers, shells ...
... commonly used are solid-state lasers and gas lasers (especially ruby lasers and Nd:YAG lasers).The first type uses one ... of several solid media, including synthetic ruby and chromium in aluminum oxide, neodymium in glass (Nd:glass ... diodes due to their high efficiency. Typical power output for ruby lasers is 10–20 W, while the Nd:YAG laser ...
... image, custom inside tray or padApplication: mianly for dispay of gemstones, meteorites, minerals, and other small collectible items.Used as storage ...
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