Fill in the Blanks (Reading & Writing)

Museum conservators face the constant challenge of —preservingduplicatingpublicisingauctioning fragile artefacts without erasing the marks of age that give them historical value. A painting, for instance, may be cleaned to remove —accumulatedimportedtranslatedinvented grime, yet conservators must resist the temptation to restore it to an artificial, pristine state. Every intervention is carefully —documentedforbiddenfinancedadvertised so that future specialists can reverse it if better techniques emerge.