sentences:  Prior to any type of scientific analysis, detailed documentation of the initial state of the object and justification for all proposed examinations is required to avoid unnecessary or potentially damaging study and keep the amount of handling to a minimum.Processes such as stereomicroscopy can reveal surface features such as the weave of parchment paper, whether a print was done in relief or in intaglio, and even what kind of tools an artist may have used to create their works.While there are many different specialized and generic tools used for conservation science studies, some of the most common are listed below.