The thesis focuses on stones, its basic building blocks, the structure and texture, and their basic physicochemical properties. The surface properties of stone are related to the extraction of stone, cleaning, impregnation, care and restoration of stone surfaces, which are presented in detail in this work. Furthermore, the cleaning agents Akemi Steinreiniger, Akemi Anti-Green Power and impregnating agents; Akemi Natura, Akepox 2015 and Akemi Anti-Fleck Nano are presented. This work was done in cooperation with Prosen com d.o.o. and Akemi GmbH.
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