Sunday, July 24, 2011

National Center for Preservation Technology and Training

Stone Cleaning Practices

http://ncptt.nps.gov/2011/best-practice-recommendations-for-cleaning-government-issued-marble-headstones/
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1 comment:

  1. AnonymousJuly 25, 2011 at 1:41 AM

    The Technology Training Centre prides itself on being more than just another computer training centre. Implementing knowledge gained to ensure the value of time and money spent on training is of the utmost importance.
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