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  An Intern at Colonial Williamsburg
  Virginia Gazette
  ... Allison Holcomb, UD graduate student in art conservation, uses ultrasonic humidification to reveal a hitherto unsuspected hand-colored wood engraving ...
  
  
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  Best Buy Sustainability Report: Collecting 1B Pounds of E-Waste
  Environmental Leader
  Best Buy said it also plans to invest in a centralized, ultrasonic humidification system, which it said with both save energy and provide a return on ...
  
  
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  WorldPoultry.net