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Note added at 3 hrs (2012-05-28 17:30:17 GMT)
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There are several processes available for changing a bright and brash brass finish on a lighting, bath or kitchen fixture to an oil-rubbed bronze finish. Some of the available products include the Rub 'n Buff in Spanish copper, Liver of Sulphur solution or Brass Darkening Solution. These will change the over bright finish found on most brass fixtures into the darkened, rich, old world look provided by the oil-rubbed bronze look. The patina of the oil rubbed-bronze finish looks more expensive and adds a greater degree of depth to the bath or kitchen than the typical bright yellow "builder's brass" finish.
http://www.ehow.com/how_6529624_make-oil_rubbed-bronze.html

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Note added at 3 hrs (2012-05-28 17:49:43 GMT)
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Arī "vecināta bronza".