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Knowledge Park Resource

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The graphic story explains why modern mortar should not be applied to historic brick walls.
Published by: | Content Team: National Center for Preservation Technology and Training, Training Centers

Knowledge Park Resource

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The graphic story explains how rust can be converted into a stable surface that can then be painted.
Published by: | Content Team: National Center for Preservation Technology and Training, Training Centers

Knowledge Park Resource

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The graphic story depicts the effects of ground water irrigation on gravestones in western U.S. cemeteries.
Published by: | Content Team: National Center for Preservation Technology and Training, Training Centers

Knowledge Park Resource

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This graphic story explains why original wood windows can outlast modern windows.
Published by: | Content Team: National Center for Preservation Technology and Training, Training Centers

Knowledge Park Resource

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HPTC partners with the Stewards Individual Placement Program to provide training & hands-on experience in the preservation trades.
Published by: | Content Team: Historic Preservation, Facility Management and Operations, NPS Career Fields, Historic Preservation Training Center, Training Centers
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