Biocleaning
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Biocleaning
Over time, works of art such as paintings and sculptures may become dirty because of environmental factors. Dust, airborne grime, and other compounds may settle on the surface of the artwork. Many of these art pieces are delicate and could be damaged by using conventional cleaning methods, so art restorers sometimes turn to biocleaning instead. Biocleaning involves using living organisms that target certain kinds of substances but not others. This process removes the dirt on the surface of the artwork without damaging the artwork itself.
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问题
Explain what bio cleaning is and how the example from the lecture illustrates how it can be superior to conventional cleaning methods.
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