| 摘要 |
The method comprises the following main steps: - a support (1) is applied to the masonry surface (M), the support (1) comprising a culture medium necessary for the growth and the development of a microorganism, including, directly or added, a protective means (2) capable of maintaining a substantial and constant rate of hygrometry, - the system is left to react for several weeks, - the surface is rinsed, after a specific time, in particular with medium or low pressure. <IMAGE>
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