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etching |
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etching [ech′ing] the cutting of a hard surface, such as metal or glass, by a corrosive chemical, usually an acid, to create a design. etching, n a process used to decalcify the superficial layers of enamel as a step in the application of sealants or bonding agents in preventive dentistry and orthodontics. The agent of choice is phosphoric acid in concentrations of 30% to 40%. etching see acid etch technique. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Behind two goals from Katie Etcher and a second-minute score from Megan Quinn, the top-seeded Conquistadores extended their dynasty with a seventh consecutive City title, turning away a valiant effort from the No. In our fall preview of noteworthy exhibitions from around the world, Alpers sizes up the Boston Museum of Fine Arts' "Rembrandt's Journey: Painter, Draftsman, Etcher," which opens October 26. Hitachi High Technologies manufactures plasma etchers, electron microscopes, PFC abatement systems, SIMOX implanters and other wafer processing equipment. |
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