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— These coatings, installed in a crusher, were used to process iron ore with a maximum particle size is 55 mm and a composition of 46.2% iron and 39.4% silica. 2.2. Methods. The statistical study was conducted with the aid of Weibull+ + software, ReliaSoft 2021. The data are based on the monitoring of the degradation rate of the pair of coatings.