It is recommended to use a liquid medicine, a two-component enzymatic cleaning agent, which can penetrate into the bottom layer of evergreen stone and can filter dirt and grime to the surface. Enzymes on vegetal stains. Such cleaning agents are available from good quality stone cleaning agents.

If the effect of this method is still not obvious, it is recommended to mix the solution of the enzyme cleaning agent with the decontamination powder until a thick ointment similar to peanut butter is formed. Apply the mixed ointment to the contaminated area, cover it with plastic film, and seal it with tape around it. Allow 24 to 72 hours of reaction time, then scrape off the dried ointment with a small bamboo board. Repeat if necessary. Once the contamination is removed, it is recommended to protect the stone with a permeable protective agent to avoid recontamination in the future. If the stained marble surface has scratches at the same time, it needs to be polished. The choice of grinding powder needs to be determined by the construction party, which may be brick soil, cinder, sandpaper or emery. The process may be more complicated, so it is recommended to operate it by a professional. It should be clear that for some 305 X 305 X 10mm specifications, the damage to the high-heeled shoes may also penetrate deep into the interior of the evergreen stone, which may be difficult or almost impossible to polish off the scratches. In this case, seek the assistance of an expert.