How does art restoration work? For instance, if I found an old painting somewhere, and took it to a restoration specialist, what is it that they actually do to the painting?
In: Technology
In general, they remove once-airborne particles and fluids. Smoke, soot, dust, dirt, oils, and some contaminants from packaging and transport are common.
As far as the process, it’s generally a fine line between brushes/solvents that remove things they don’t want to keep vs things they do.
Beyond that, AFAIK it depends on the medium, but I could be wrong.
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