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The speakers are discussing the decay of modern books made from wood pulp paper. The man explains that books published before the 1850s were made from materials like animal skins and did not use chemicals, so they can remain preserved for hundreds of years. However, modern books use wood pulp paper treated with acids to make it white, and these acids eventually eat away the paper over time. Restoring individual pages is an option but not practical or economical for large collections. The woman will likely r

Author

Jorge Esteban Novelo Pavía

Language

EN