The analysis of the forms of degradation is carried out from the macroscopic up to the microscopic scale (magnification 10x, 30x, 50x, 100x).
For each form of alteration or degradation indicate:

Description	Type, position, extension, colour, …
Opinion on the state of conservation	Assign a number between 1 and 5 1 = bad 2 = mediocre 3 = fair 4 = good 5 = really god