Preservation aims to take the measures necessary to keep the site in its existing state. In Latin languages, the word indicates prevention action.
Preservation measures include regular inspection and cynical and routine maintenance. It implies that repairs inspections and cynical routine maintenance. It implies that repairs Must be carried out as required to ensure resource integrity. In practice, this means that damage and deterioration (such as that caused by water, chemicals, insects, rodents or other pests, plants and microorganisms) must be arrested and reserved when discovered.