The clay in the aquatic environment begins to precipitate depending on the saturation level of the solution.The purpose of this work is to monitor this subsidence of the clay and to see its course with photographs.The photos are then analyzed with the Adobe Photoshop program,so that the students of the 3rd grade of the High School are able to follow the evolution of the precipitation phenomenon through the analysis of the photos and the probability density distribution function of the three pigments(RBG(Red-Blue-Green)in the technology course).The rate of clay settling as shown in the photos requires a prerequisite for the use of soil conditioners in specific clay soils.The students who participated in the workshop had the opportunity to get in touch with the phenomenon of subsidence,the processing of the brightness of the images with the program Adobe Photoshop and the study of soil improvement alternatives.
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