WASHINGTON, Jan. 12 -- The U.S. Department of the Interior's National Park Service announced that it expects to award grants for cultural resources preservation technologies. The agency description of the grant states: "2023 Preservation Technology and Training Grants (PTT Grants) are intended to create better tools, better materials, and better approaches to conserving buildings, landscapes, sites, and collections. The PTT Grants are administered by the National Center for Preservation Technol more ST